Shinobi otherwise referred to as ninja are the primary focus and the main military power in the Ninja World. A female ninja is called a kunoichi. Most come from a hidden village, of which some come from specialized ninja clans, and will perform missions for fee. Doing manual labor, acting as escorts, gathering secret information, retrieving stolen items, carrying out assassinations, etc. In times of war, ninja will come together to defend their villages and lands. The clearest characteristic of a shinobi is their ability to manipulate chakra to create and use jutsu.