wekan/server/publications/users.js

Meteor.publish('user-miniprofile', function(userId) {
  check(userId, String);

  return Users.find(userId, {
    fields: {
      'username': 1,
      'profile.fullname': 1,
      'profile.avatarUrl': 1
    }
  });
});

Meteor.publish('user-admin', function() {
  return Meteor.users.find(this.userId, {
    fields: {
      isAdmin: 1
    }
  });
});