diff --git a/adminfront/src/components/layout/RoleSwitcher.tsx b/adminfront/src/components/layout/RoleSwitcher.tsx
index 040d623a..0530f9e8 100644
--- a/adminfront/src/components/layout/RoleSwitcher.tsx
+++ b/adminfront/src/components/layout/RoleSwitcher.tsx
@@ -105,40 +105,35 @@ const RoleSwitcher: FC = () => {
             marginTop: "4px",
           }}
         >
-          {(
-            [
-              "super_admin",
-              "tenant_admin",
-              "rp_admin",
-              "user",
-            ] as const
-          ).map((role) => (
-            <button
-              key={role}
-              type="button"
-              onClick={() => switchRole(role)}
-              style={{
-                background: currentRole === role ? "#3b82f6" : "#333",
-                color: "white",
-                border: "none",
-                padding: "4px 8px",
-                borderRadius: "4px",
-                cursor: "pointer",
-                textAlign: "left",
-                transition: "background 0.2s",
-                display: "flex",
-                justifyContent: "space-between",
-                alignItems: "center",
-              }}
-            >
-              <span>
-                {roleLabels[role] ?? role.toUpperCase().replace("_", " ")}
-              </span>
-              {currentRole === role && (
-                <span style={{ marginLeft: "8px" }}>✅</span>
-              )}
-            </button>
-          ))}
+          {(["super_admin", "tenant_admin", "rp_admin", "user"] as const).map(
+            (role) => (
+              <button
+                key={role}
+                type="button"
+                onClick={() => switchRole(role)}
+                style={{
+                  background: currentRole === role ? "#3b82f6" : "#333",
+                  color: "white",
+                  border: "none",
+                  padding: "4px 8px",
+                  borderRadius: "4px",
+                  cursor: "pointer",
+                  textAlign: "left",
+                  transition: "background 0.2s",
+                  display: "flex",
+                  justifyContent: "space-between",
+                  alignItems: "center",
+                }}
+              >
+                <span>
+                  {roleLabels[role] ?? role.toUpperCase().replace("_", " ")}
+                </span>
+                {currentRole === role && (
+                  <span style={{ marginLeft: "8px" }}>✅</span>
+                )}
+              </button>
+            ),
+          )}
         </div>
       )}
     </div>
diff --git a/adminfront/src/locales/en.toml b/adminfront/src/locales/en.toml
index 6b2ec8ff..92c43ae3 100644
--- a/adminfront/src/locales/en.toml
+++ b/adminfront/src/locales/en.toml
@@ -130,6 +130,44 @@ not_found = "Tenant not found."
 remove_sub_confirm = 'Remove tenant "{{name}}" from sub-tenants?'
 subtitle = "Subtitle"
 
+[msg.admin.tenants.admins]
+add_success = "Admin added successfully."
+empty = "No admins registered."
+remove_confirm = "Are you sure you want to remove admin permission for {{name}}?"
+remove_success = "Admin permission revoked."
+subtitle = "Users with permissions to manage this tenant's resources."
+title = "Tenant Admin Settings"
+
+[msg.admin.tenants.owners]
+add_success = "Owner added successfully."
+empty = "No owners registered."
+remove_confirm = "Are you sure you want to remove owner permission for {{name}}?"
+remove_success = "Owner permission revoked."
+subtitle = "List of owners with top-level permissions for this tenant."
+
+[ui.admin.tenants.admins]
+add_button = "Add Admin"
+already_admin = "Already Admin"
+dialog_description = "Search users by name or email to grant admin permissions."
+dialog_no_results = "No results found."
+dialog_search_hint = "Please enter a search term."
+dialog_search_placeholder = "Search users (min 2 chars)..."
+dialog_title = "Add New Admin"
+remove_title = "Revoke Admin Permission"
+table_actions = "Actions"
+table_email = "Email"
+table_name = "Name"
+title = "Tenant Admins"
+
+[ui.admin.tenants.owners]
+add_button = "Add Owner"
+dialog_description = "Search users by name or email to grant owner permissions."
+dialog_title = "Add New Owner"
+table_actions = "Actions"
+table_email = "Email"
+table_name = "Name"
+title = "Tenant Owners"
+
 [msg.admin.tenants.create]
 subtitle = "Subtitle"
 
diff --git a/adminfront/src/locales/ko.toml b/adminfront/src/locales/ko.toml
index d82a208a..81bf79c1 100644
--- a/adminfront/src/locales/ko.toml
+++ b/adminfront/src/locales/ko.toml
@@ -161,6 +161,13 @@ remove_success = "관리자 권한이 회수되었습니다."
 subtitle = "이 테넌트의 자원을 관리할 수 있는 권한을 가진 사용자들입니다."
 title = "테넌트 관리자 설정"
 
+[msg.admin.tenants.owners]
+add_success = "소유자가 성공적으로 추가되었습니다."
+empty = "등록된 소유자가 없습니다."
+remove_confirm = "{{name}} 사용자의 소유자 권한을 회수할까요?"
+remove_success = "소유자 권한이 회수되었습니다."
+subtitle = "이 테넌트의 최상위 권한을 가진 소유자(조직장) 목록입니다."
+
 [ui.admin.tenants.admins]
 add_button = "관리자 추가"
 already_admin = "이미 관리자"
@@ -175,6 +182,15 @@ table_email = "이메일"
 table_name = "이름"
 title = "테넌트 관리자"
 
+[ui.admin.tenants.owners]
+add_button = "소유자 추가"
+dialog_description = "이름 또는 이메일로 사용자를 검색하여 소유자 권한을 부여하세요."
+dialog_title = "새 소유자 추가"
+table_actions = "액션"
+table_email = "이메일"
+table_name = "이름"
+title = "테넌트 소유자"
+
 [msg.admin.tenants.create]
 subtitle = "글로벌 운영 기준의 신규 테넌트를 등록합니다."
 
diff --git a/locales/en.toml b/locales/en.toml
index ce690bf7..43a5132e 100644
--- a/locales/en.toml
+++ b/locales/en.toml
@@ -182,6 +182,13 @@ remove_confirm = "Remove Confirm"
 remove_success = "Remove Success"
 subtitle = "Subtitle"
 
+[msg.admin.tenants.owners]
+add_success = "Owner added successfully."
+empty = "No owners registered."
+remove_confirm = "Are you sure you want to remove this owner?"
+remove_success = "Owner permission revoked."
+subtitle = "List of owners with top-level permissions for this tenant."
+
 [msg.admin.tenants.create]
 subtitle = "Subtitle"
 
@@ -803,7 +810,7 @@ view_audit_logs = "View Audit Logs"
 rp_admin = "RP ADMIN"
 super_admin = "SUPER ADMIN"
 tenant_admin = "TENANT ADMIN"
-tenant_member = "TENANT MEMBER"
+user = "TENANT MEMBER"
 
 [ui.admin.tenants]
 add = "Add Tenant"
@@ -823,6 +830,17 @@ table_email = "Email"
 table_name = "Name"
 title = "Title"
 
+[ui.admin.tenants.owners]
+add_button = "Add Owner"
+already_owner = "Already Owner"
+dialog_description = "Search users by name or email."
+dialog_title = "Add New Owner"
+remove_title = "Revoke Owner Permission"
+table_actions = "Actions"
+table_email = "Email"
+table_name = "Name"
+title = "Tenant Owners"
+
 [ui.admin.tenants.breadcrumb]
 list = "List"
 section = "Tenants"
@@ -855,9 +873,9 @@ title = "Tenant Profile"
 breadcrumb_list = "Tenant List"
 header_subtitle = "Header Subtitle"
 loading = "Loading"
-tab_admins = "Tab Admins"
 tab_federation = "Tab Federation"
 tab_organization = "Organization Manage"
+tab_permissions = "Permissions"
 tab_profile = "Profile"
 tab_schema = "Tab Schema"
 title = "Details"
diff --git a/locales/ko.toml b/locales/ko.toml
index 5bb3325a..ed63642b 100644
--- a/locales/ko.toml
+++ b/locales/ko.toml
@@ -182,6 +182,13 @@ remove_confirm = "관리자를 삭제하시겠습니까?"
 remove_success = "권한이 회수되었습니다."
 subtitle = "이 테넌트의 자원을 관리할 수 있는 사용자 목록입니다."
 
+[msg.admin.tenants.owners]
+add_success = "소유자가 추가되었습니다."
+empty = "등록된 소유자가 없습니다."
+remove_confirm = "소유자를 삭제하시겠습니까?"
+remove_success = "소유자 권한이 회수되었습니다."
+subtitle = "이 테넌트의 최상위 권한을 가진 소유자(조직장) 목록입니다."
+
 [msg.admin.tenants.create]
 subtitle = "글로벌 운영 기준의 신규 테넌트를 등록합니다."
 
@@ -803,7 +810,7 @@ view_audit_logs = "감사 로그 보기"
 rp_admin = "RP ADMIN"
 super_admin = "SUPER ADMIN"
 tenant_admin = "TENANT ADMIN"
-tenant_member = "TENANT MEMBER"
+user = "TENANT MEMBER"
 
 [ui.admin.tenants]
 add = "테넌트 추가"
@@ -823,6 +830,17 @@ table_email = "이메일"
 table_name = "이름"
 title = "테넌트 관리자"
 
+[ui.admin.tenants.owners]
+add_button = "소유자 추가"
+already_owner = "이미 소유자"
+dialog_description = "이름 또는 이메일로 사용자를 검색하세요."
+dialog_title = "새 소유자 추가"
+remove_title = "소유자 권한 회수"
+table_actions = "액션"
+table_email = "이메일"
+table_name = "이름"
+title = "테넌트 소유자"
+
 [ui.admin.tenants.breadcrumb]
 list = "List"
 section = "Tenants"
@@ -855,9 +873,9 @@ title = "Tenant Profile"
 breadcrumb_list = "테넌트 목록"
 header_subtitle = "테넌트 정보를 수정하거나 연동 설정을 관리합니다."
 loading = "불러오는 중..."
-tab_admins = "관리자 설정"
 tab_federation = "외부 연동"
 tab_organization = "조직 관리"
+tab_permissions = "권한"
 tab_profile = "프로필"
 tab_schema = "사용자 스키마"
 title = "상세"
diff --git a/locales/template.toml b/locales/template.toml
index 65961d15..663bc1b5 100644
--- a/locales/template.toml
+++ b/locales/template.toml
@@ -726,7 +726,7 @@ view_audit_logs = ""
 rp_admin = ""
 super_admin = ""
 tenant_admin = ""
-tenant_member = ""
+user = ""
 
 [ui.admin.tenants]
 add = ""
@@ -1451,6 +1451,13 @@ remove_confirm = ""
 remove_success = ""
 subtitle = ""
 
+[msg.admin.tenants.owners]
+add_success = ""
+empty = ""
+remove_confirm = ""
+remove_success = ""
+subtitle = ""
+
 [msg.admin.tenants]
 approve_confirm = ""
 approve_success = ""
@@ -1496,6 +1503,17 @@ table_email = ""
 table_name = ""
 title = ""
 
+[ui.admin.tenants.owners]
+add_button = ""
+already_owner = ""
+dialog_description = ""
+dialog_title = ""
+remove_title = ""
+table_actions = ""
+table_email = ""
+table_name = ""
+title = ""
+
 [ui.admin.tenants.create.form]
 parent = ""
 type = ""
@@ -1504,9 +1522,9 @@ type = ""
 breadcrumb_list = ""
 header_subtitle = ""
 loading = ""
-tab_admins = ""
 tab_federation = ""
 tab_organization = ""
+tab_permissions = ""
 tab_profile = ""
 tab_schema = ""
 title = ""