instigator
煽動者
In·sti·ga·tor n. One who instigates or incites.
Syn: -- inciter, instigant.
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instigator
n 1: someone who deliberately foments trouble; "she was the
instigator of their quarrel" [syn: provoker, inciter,
instigant, firebrand]
2: a person who initiates a course of action [syn: initiator]