If you have disclose on an user you should be able to see their name

user.capnp

@@ -8,30 +8,33 @@ using import "role.capnp".Role;
 interface User {
     # Intergalactic lifeform that wants to use BFFH
 
-    info @0 () -> ( info :Info );
-    interface Info $CSharp.name("InfoInterface") {
-        listRoles @0 () -> ( roles :List(Role) );
-        # lists explicit roles for this user. A session may have a number of additional, implicit,
-        # roles set by their choice of authentication or other context.
-    }
+    id @0 () -> ( id :Data );
+    # An opaque identifier for an user
 
-    passwd @1 () -> ( passwd :Passwd );
-    interface Passwd {
+    name @1 () -> ( name :Text );
+    # The human-facing name identifying this user
+
+    roles @3 () -> ( roles :List(Role) );
+    # lists explicit roles for this user. A session may have a number of additional, implicit,
+    # roles set by their choice of authentication or other context.
+
+    selfservice @4 () -> ( selfservice :SelfService );
+    interface SelfService {
         changepw @0 ( old :Text, new :Text );
     }
 
-    manage @2 () -> ( manage :Manage );
+    manage @5 () -> ( manage :Manage );
     interface Manage $CSharp.name("ManageInterface") {
         addRole @0 ( role :Role );
         removeRole @1 ( role :Role );
     }
 
-    admin @3 () -> ( admin :Admin );
+    admin @6 () -> ( admin :Admin );
     interface Admin $CSharp.name("AdminInterface") {
         setpw @0 ( new :Text );
     }
 
-    cardDESFireEV2 @4 () -> ( carddesfireev2 :CardDESFireEV2 );
+    cardDESFireEV2 @7 () -> ( carddesfireev2 :CardDESFireEV2 );
     interface CardDESFireEV2 $CSharp.name("CardDESFireInterface") {
         # Card authentication using NXP/MiFare DESFire cards.
         # These cards have the ability to restrict access for data on the cards using symmetric