<?php
/*This will create a post with the user name when the user is created*/
add_action( 'user_register', 'new_user_insert_janitor_post', 999);

function new_user_insert_janitor_post($user_id) {

  // The $user variable for getting the user
  $user = get_user_by('id', $user_id);

    if( is_array( $user->roles ) ) {
      if( in_array( 'administrator', $user->roles ) ) {
        //Do nothing
      } else {
          $array = array(
          'post_type'     => 'janitor',
          'post_title'    => $user->nickname,
          'post_status'   => 'publish',
          'post_author'   => 1
        );
        wp_insert_post( $array );
      }
    }
    
}
?>