agitator

1.Mona had watched him grow into an arrogant political agitator.

娜瞧着他成长为一个高傲政治鼓动家。

2.This commotion resembles a wooden bucketful of potatoes sloshing around while being washed by the agitator.

这个情景就像是用搅棍在装满土豆木桶里搅动清洗一般。