diff --git a/devfront/src/features/profile/ProfilePage.tsx b/devfront/src/features/profile/ProfilePage.tsx
index 6e026ffc..e4917363 100644
--- a/devfront/src/features/profile/ProfilePage.tsx
+++ b/devfront/src/features/profile/ProfilePage.tsx
@@ -117,6 +117,13 @@ function ProfilePage() {
                   </p>
                   <p className="text-sm">{profile.email}</p>
                 </div>
+                <div className="space-y-1">
+                  <p className="text-sm font-medium text-muted-foreground flex items-center gap-2">
+                    <Briefcase className="h-4 w-4" />
+                    {t("ui.dev.profile.basic.phone", "Phone")}
+                  </p>
+                  <p className="text-sm">{profile.phone || "-"}</p>
+                </div>
               </CardContent>
             </Card>
 
@@ -163,16 +170,22 @@ function ProfilePage() {
             </CardHeader>
             <CardContent>
               <div className="flex items-center gap-4 bg-muted/30 p-4 rounded-lg border border-border">
-                <div className="h-12 w-12 rounded-full bg-primary/20 flex items-center justify-center text-primary">
+                <div className="h-12 w-12 rounded-full bg-primary/20 flex items-center justify-center text-primary shrink-0">
                   <Briefcase className="h-6 w-6" />
                 </div>
-                <div>
+                <div className="flex flex-col gap-1 w-full">
                   <p className="text-sm text-muted-foreground font-medium uppercase tracking-wider">
                     {t("ui.dev.profile.role.current", "Current Role")}
                   </p>
                   <p className="text-xl font-bold mt-1">
                     {t(`ui.common.role.${profile.role}`, profile.role.toUpperCase())}
                   </p>
+                  <p className="mt-1 text-sm text-muted-foreground">
+                    {t(
+                      `ui.dev.profile.role.desc_${profile.role}`,
+                      "시스템 역할에 대한 설명이 제공되지 않았습니다.",
+                    )}
+                  </p>
                 </div>
               </div>
             </CardContent>
diff --git a/devfront/src/locales/en.toml b/devfront/src/locales/en.toml
index ceaea07d..665aa6cd 100644
--- a/devfront/src/locales/en.toml
+++ b/devfront/src/locales/en.toml
@@ -1418,6 +1418,7 @@ title = "User Info"
 id = "User ID"
 name = "Name"
 email = "Email"
+phone = "Phone Number"
 
 [ui.dev.profile.org]
 title = "Organization Info"
@@ -1428,6 +1429,11 @@ company_code = "Company Code"
 title = "System Role"
 description = "The permission level granted to this account."
 current = "Current Role"
+desc_super_admin = "Can manage all tenants and applications system-wide without restriction."
+desc_tenant_admin = "Can manage all applications within their assigned tenant."
+desc_rp_admin = "Can view and manage only assigned/linked applications."
+desc_user = "Standard application access. DevFront access is denied."
+desc_tenant_member = "Standard application access. DevFront access is denied."
 
 [ui.admin.nav]
 api_keys = "API Keys"
diff --git a/devfront/src/locales/ko.toml b/devfront/src/locales/ko.toml
index eb34ab28..74a27993 100644
--- a/devfront/src/locales/ko.toml
+++ b/devfront/src/locales/ko.toml
@@ -1431,6 +1431,7 @@ title = "사용자 정보"
 id = "사용자 ID"
 name = "이름"
 email = "이메일"
+phone = "전화번호"
 
 [ui.dev.profile.org]
 title = "조직 정보"
@@ -1441,3 +1442,8 @@ company_code = "회사 코드"
 title = "시스템 역할"
 description = "현재 계정에 부여된 권한 등급입니다."
 current = "현재 역할"
+desc_super_admin = "전체 시스템의 모든 테넌트와 모든 앱을 제한 없이 관리할 수 있습니다."
+desc_tenant_admin = "본인이 속한 테넌트(조직/회사) 하위의 모든 앱을 관리할 수 있습니다."
+desc_rp_admin = "본인에게 할당된 연동 앱(Client)만 확인 및 관리할 수 있습니다."
+desc_user = "기본 앱 이용 권한을 가지며, DevFront 접근은 차단됩니다."
+desc_tenant_member = "기본 앱 이용 권한을 가지며, DevFront 접근은 차단됩니다."
diff --git a/devfront/src/locales/template.toml b/devfront/src/locales/template.toml
index 4afd8a93..1da1c1ac 100644
--- a/devfront/src/locales/template.toml
+++ b/devfront/src/locales/template.toml
@@ -1430,6 +1430,7 @@ title = ""
 id = ""
 name = ""
 email = ""
+phone = ""
 
 [ui.dev.profile.org]
 title = ""
@@ -1440,3 +1441,8 @@ company_code = ""
 title = ""
 description = ""
 current = ""
+desc_super_admin = ""
+desc_tenant_admin = ""
+desc_rp_admin = ""
+desc_user = ""
+desc_tenant_member = ""