THESAURUS
slave driver
Big Brother, Simon Legree, absolute monarch, absolute ruler, all-powerful ruler, arrogator, auditor, autarch, autocrat, boatswain, boss, caesar, chief, commissar, comptroller, controller, czar, despot, dictator, disciplinarian, driver, duce, floor manager, floorman, floorwalker, foreman, gaffer, ganger, hard master, head, headman, inspector, martinet, monitor, noncommissioned officer, oligarch, oppressor, overman, overseer, pharaoh, proctor, sirdar, stickler, straw boss, subforeman, super, superintendent, supervisor, surveyor, taskmaster, tyrant, usurper, visitor, warlord