tyrannizer

a person who uses power or authority in a cruel, unjust, or harmful way a petty tyrannizer, the alcoholic father made his family suffer the cost of his many personal failures Synonyms caesar, dictator, führer (or fuehrer), oppressor, pharaoh, strongman, despot, tyrantRelated 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