a powerful ruler, hegemon, or despot; a person who rules by force rather than by legal right

refers specifically to Xiang Yu (232-202 BC), a prominent military leader and rival to the founder of the Han dynasty, who styled himself the "Hegemon-King of Western Chu"

an extremely overbearing or tyrannical person; one who behaves in a high-handed and aggressive manner

hegemons (powerful lords) and kings (rightful rulers); in classical political philosophy, those who rule by might versus those who rule by virtue

(of a product or business) having total dominance or a monopoly in its market