henchman

英 ['hen(t)ʃmən] 美['hɛntʃmən]

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.

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.