BuddyPress Group Leaderboard let’s you add new tab on BuddyPress groups with a leaderboard with the group members!
Through the GamiPress settings you will be able to configure the metrics by which group members should be ranked and the columns to show.
Important: This plugin requires GamiPress – Leaderboards add-on.
How can I configure the Leaderboard display?
After installing BuddyPress Group Leaderboard, you will find the plugin settings on your WordPress admin area navigating to the GamiPress menu -> Settings -> Add-ons tab at box named “BuddyPress Group Leaderboard”.
Just choose the settings you want and click the “Save Settings” button.