Sentence:  Nor, it seems, was disguise a practice in which elites engaged; it was the “<WSD>dirty-handed</WSD>” men of action, a onetime convict laborer such as Yu Rang, a former butcher such as Nie Zheng, who disguised their physical identities in this way. 
Meaning of the word marked with <WSD> tags:  Working-class, rough or boorish