labor recruiter; day laborer recruiter
Often carries a negative connotation, implying a disreputable or exploitative middleman who recruits day laborers, sometimes associated with illegal or shady practices.
A labor recruiter is gathering day laborers in front of the station.
Compound of 手配 (arrangement, recruitment) and 師 (master, specialist). The exact historical origin is uncertain, but it likely emerged in the context of labor markets where middlemen arranged day labor jobs.