I few things you could add to friends commands just to make things easier.
/Friend info (This gives there current lobby/game)
/Friend chat (Adds friend only chat)
/Friend tp (This tp's you to the player (friend) and puts you in spectator)
/Friend info (This gives there current lobby/game)
/Friend chat (Adds friend only chat)
/Friend tp (This tp's you to the player (friend) and puts you in spectator)