GamiPress – LifterLMS Group Leaderboard let’s you add new tab on LifterLMS groups with a GamiPress leaderboard of 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, LifterLMS plugin and LifterLMS – Groups add-on.