overseer

One who watches over and directs the work of others, especially laborers.

A supervisor or superintendent.

One who overlooks; a superintendent; a supervisor; one who has the care or superintendence of any matter.

Specifically, one who oversees or superintends workmen, especially slaves; one who has charge, under the owner or manager, of the work on a plantation, or, in Australia, on a station.

A reviser; a critic.