Get Username from UID with Preprocess for Template

I’m a bit lost at finding the username based on the uid. I get the uid from the address using:

  $  current_path = \Drupal::service('path.current')->getPath();   $  urluid = (explode("/",$  current_path));    $  us = \Drupal::entityTypeManager()->getStorage('user')   ->loadByProperties(['uid' => $  urluid[2]]);    kint($  us); 

returns an array of data where i do see the uid, but not the username for that uid. Name:

'name' => array(1) *DEPTH TOO GREAT* 

returns NULL:

kint($  us->name); 

I’d like to return the UID->Name as the title on the ROLES and EDIT screens for the user. Exactly how it is returned for VIEW (example dvweb is: /user/10): d