roundsman

A police officer in charge of several other officers.

One, such as a delivery person, who makes rounds.

A police officer, of a rank above patrolmen and below sergeants, who goes the rounds within a prescribed district to see that the patrolmen or ordinary policemen attend to their duties properly, and to aid them in case of necessity.

A patrolman; also, a policeman who acts as an inspector over the rounds of the patrolmen.

A worker who makes rounds, especially in order to deliver goods

a workman employed to make rounds (to deliver goods or make inspections or so on)