zrób sobię jakaś klase TagUtil czy manager i metode od zwracania:
 
 public static String checkPlayerTag(Player p){
   PermissionUser user = PermissionsEx.getPermissionManager().getUser(p.getName());
   String[] groups = user.getGroupNames();   
   if (groups[0].toLowerCase().equalsIgncoreCase("Admin")){
      return "&8( &4Admin&8 )";  
   }
   else if (groups[0].toLowerCase().equalsIgncoreCase("Gracz")){
     return "";
   }
   return null;
 }