henchman

The gang chief went everywhere accompanied by his henchman.

那流氓头子到什么地方都有手下的狗腿子跟着.

《现代英汉综合大词典》

He has never regarded you as a friend, only a henchman.

他根本没把你当朋友, 只不过把你当成了他的腿子.

期刊摘选