slavedriver

In the same article VentureBeat told of anonymous emails published in the Berlin based tech blog Village Ventures from Groupon employees alleging “abusive working conditions, breech of contract and a boss, Groupon’s Eastern European CEO Daniel Glasner, who they described as a “slavedriver”.”

In Mutiny on the Bounty Captain Bligh was pictured as a villainous slavedriver.

Like a slavedriver lashing a slave he spared no least shade of his cutting brush.

That nervy slavedriver made us lug over two dozen sofa pillows, a rug or two, a bottle of moisture and three pies to while away the time with.

So "Uncle Tom's Cabin" made the crack of the slavedriver's whip, and the cries of the tortured blacks ring in every household in the land, till human hearts could endure it no longer.