BuddyPress Featured Members is a WordPress plugin that allows creating/displaying list of featured members. It is flexible in the way the lists are displayed( slider, list, theme default, or custom).
Multiple users can be marked as featured
Featured Members can be displayed using shortcode or widget
Featured Members Can be displayed in the directory too
You can use multiple widget/shortcodes
Each shortcode/widget can be displayed as a list or a slider of users.
A default theme view for members list is also supported, It lists the members using members-loop.php from your theme
Easy API for marking a user as featured/removing user from the list of featured members.
More info, documentation and download: https://buddydev.com/plugins/bp-featured-members/