Instigator

['ɪnstɪɡetɚ]

解释:

(noun.) a person who initiates a course of action.

(noun.) someone who deliberately foments trouble; 'she was the instigator of their quarrel'.

录入:罗莎莉--From WordNet

解释:

(n.) One who instigates or incites.

校对:奥斯瓦德