straw boss

[Cami]

a member of a work gang who supervises the other workers

[Vania]

A worker acting as a supervisor of other workers

[soniportgo]

A straw boss is a worker who has some authority over other workers, but is not in a formal or official management position. This person often acts as an intermediary between the employees and the management or supervisors, overseeing day-to-day operations, providing guidance, and keeping the work process organized.