A supreme leader or supreme ruler typically refers to the person among a number of leaders of a state, organization or other such group who has been given or is able to exercise the most – or complete – authority over it. In a religion, this role is usually satisfied by a person deemed to be the representative or manifestation of a deity or God on Earth. In politics, a supreme leader usually rules over an authoritarian or totalitarian government and have a cult of personality associated with them. Historic examples are Adolf Hitler (Führer) of Nazi Germany, Benito Mussolini (Duce) of Fascist Italy, and Joseph Stalin (Vozhd Вождь) of the Soviet Union.