Dalai Lama, Holy Roman Emperor, Inca, Kaiser, Simon Legree, absolute monarch, absolute ruler, all-powerful ruler, ardri, arrogator, autarch, autocrat, bey, cacique, caesar, cham, commissar, czar, despot, dictator, disciplinarian, driver, duce, hard master, kaid, khan, martinet, mikado, negus, oligarch, oppressor, padishah, pendragon, rig, sachem, sagamore, shah, sheikh, shogun, slave driver, stickler, tenno, tycoon, tyrant, usurper, warlord