despot

a person who uses power or authority in a cruel, unjust, or harmful way <the despot exiled political dissidents to remote labor camps, where they were left to rot> Synonyms caesar, dictator, führer (or fuehrer), oppressor, pharaoh, strongman, tyrannizer, tyrant Related Words autarch, autocrat, monocrat; authoritarian, Big Brother, paramount, potentate, totalitarian; caudillo, overlord, warlord; boss, captain, chief, dominator, kingpin, leader, master, overlord, ruler; king, lord, monarch, prince, queen, sovereign (also sovran); baron, czar (also tsar or tzar), magnate, mogul, tycoon; disciplinarian, discipliner, enforcer, martinet, taskmaster Phrases man on horseback