Synonyms and related words :
Simon Legree, absolute monarch, absolute ruler, all-powerful ruler, arrogator, autarch, autocrat, bully, caesar, commissar, czar, despot, dictator, disciplinarian, driver, duce, hard master, intimidator, iron hand, martinet, oligarch, overlord, persecutor, pharaoh, scourge, slave driver, stickler, strong man, taskmaster, tormentor, torturer, tyrant, usurper, warlord