asd

// WP_User_Query arguments
$args = array(
	'role'           => 'coach',
	'meta_query'     => array(
		array(
			'key'     => 'FirstName',
			'compare' => 'EXISTS',
		),
		array(
			'key'     => 'LastName',
			'compare' => 'EXISTS',
		),
	),
	'fields'         => 'all',
);

// The User Query
$user_query = new WP_User_Query( $args );