slave driver

Colleagues describe Kashkari as sharp, meticulous, and something of a slave driver, despite having a lighthearted sense of humor.

No doubt you would give free play to the strap and the rawhide and other implements of the slave-driver.

Next came a swaggering bully of a slave-driver, evidently bred in the North.

She had in her beautiful kindness redeemed his soul from ignorance, as she had purchased his body from the slave-driver's lash.

This was a sight not new; but in their midst he caught a glimpse of a crested helmet and the black cloak of a slave-driver.

He neglected his carving, waged bloody battles with his fellow workmen, bullied Master Tobias like any slave-driver.