hireling
noun [ C ] UK disapproving uk/ˈhaɪə.lɪŋ/ us/ˈhaɪr.lɪŋ/
受雇听人使唤的人
someone who has been persuaded by an offer of money to do an unpleasant or unpopular job
He's not the boss, he's just a hireling employed to do the dirty work. 他不是老板，只是被雇来干那些卑鄙的勾当。