The strongest ninja in a village who is also the leader.
Each villgae has a Kage. A Kage is very much like a governor, they run their respected village. There are a total of 5 Kages (although in a filler episode there was a 6th Kage mentioned). The Kage is usually the strongest person in the village. Each Kage is chosen by it's villagers to rule and command it's army of ninja and regulate the village. Kages manage most of the important issuse that relate to the village such as money , protection and paperwork The Kage's are public icons and known throughout the land.
Hoshikage - Hidden Star