big brother

Noun	1.	Big Brother - an authoritarian leader and invader of privacy
	2.	big brother - an older brother

auditor, boatswain, boss, chief, comptroller, controller, floor manager, floorman, floorwalker, foreman, gaffer, ganger, head, headman, inspector, monitor, noncommissioned officer, overman, overseer, proctor, sirdar, slave driver, straw boss, subforeman, super, superintendent, supervisor, surveyor, taskmaster, visitor