An overseer or slave driver

Driver

Kunta

The overseer in slavery was responsible for supervising and managing the enslaved population on behalf of the slave owner. They ensured that the slaves met their work quotas, maintained discipline, and often carried out punishments. The driver was an enslaved person assigned by the overseer to supervise and enforce labor on other enslaved individuals, sometimes using coercion or force to ensure productivity.

Circuit overseer in Tagalog is "overseer ng sirkito."