Amulet of the Moon

Speaking with him will reveal that his Moon Amulet was stolen during a bandit raid on the caravan, and that he wishes to have it returned, since he says its special, for he received it from his mother when he was just a cub. If the Dragonborn retrieves the amulet, Kharjo rewards them with a leveled amount of  for recovering his keepsake and becomes available as a follower.