怂恿者

例句：

1. 1. The bully was the main culprit behind the school's recent fights.
   那个恶霸是学校最近打架事件的主要罪魁祸首。
2. 2. The lawyer accused the witness of being a staunch supporter of the defendant.
   律师指控证人是被告的坚定支持者。
3. 3. The prosecutor argued that the witness's testimony could be used as evidence against the accused.
   检察官争辩说，证人的证词可以用来作为对被告不利的证据。