Dirty-work synonyms

I only ask one thing of you, Kris, in exchange for doing your dirty work.

It was directed as much at Jessi as at the Black God for sending someone innocent to do his dirty work.

It is clear from his correspondence that Repnin, a singularly proud and highspirited man, much disliked the very dirty work he was called upon to do.

Like Machiavelli, but on a lower level, Guicciardini was willing to "roll stones," or to do any dirty work for masters whom, in the depth of his soul, he detested and despised.