Wordpress get user by role

gistfile1.txt

<div class="container mt-100">
    <h1 class="title text-center mb-40">Featured Guests</h1>
    <div class="row">
        <div class="col-sm-4 col-6">
            <div class="item-advisory">
	            <?php
	            $args  = array(
		            'role'    => 'featured_guest',
		            'orderby' => 'user_nicename',
		            'order'   => 'ASC'
	            );
	            $users = get_users( $args );
	            foreach ($users as $user){
	            ?>
                    <div class="item-advisory__image mb-20">
                        <?php echo get_avatar($user->ID, 255); ?>
                    </div>

                    <div class="item-advisory__details">
                        <a href="#" target="_blank">
                            <h1 class="text-subtitle font-dm"><?php echo $user->display_name; ?></h1>
                        </a>
                        <p class="txt-body text-color-grey"><?php echo get_user_meta($user->ID, 'position', true); ?></p>

                        <div class="social-media mt-10">
                            <?php if(get_user_meta($user->ID, 'linkedin', true)){?>
                            <div class="item">
                                <a href="<?php echo get_user_meta($user->ID, 'linkedin', true); ?>>"><i class="fab fa-linkedin-in"></i></a>
                            </div>
                            <?php }?>
                            <?php if(get_user_meta($user->ID, 'twitter', true)){?>
                            <div class="item">
                                <a href="<?php echo get_user_meta($user->ID, 'twitter', true); ?>>"><i class="fab fa-twitter"></i></a>
                            </div>
                            <?php }?>
	                        <?php if($user->user_url){?>
                                <div class="item">
                                    <a href="<?php echo $user->user_url; ?>>"><i class="fas fa-globe"></i></a>
                                </div>
	                        <?php }?>
                        </div>

                    </div>
                <?php
	            }
                ?>
            </div>
        </div><!-- .col-->



    </div><!-- .row-->
</div>