A ruler having unlimited power; a despot. 独裁统治者一个有着无限权利的统治者;专制者
despot
[ noun ] a cruel and oppressive dictator <noun.person>
Despot \Des"pot\, n. [F. despote, LL. despotus, fr. Gr. despo`ths master, lord, the second part of which is akin to po`sis husband, and L. potens. See {Potent}.] 1. A master; a lord; especially, an absolute or irresponsible ruler or sovereign.
Irresponsible power in human hands so naturally leads to it, that cruelty has become associated with despot and tyrant. --C. J. Smith.
2. One who rules regardless of a constitution or laws; a tyrant.
Accommodating Assad, now the region's most successful despot, will hardly remedy that error.