The word "slavedriver" refers to a person who controls and dominates others harshly, typically in a work situation. There are other words that can be used instead of "slavedriver" to convey the same meaning, such as taskmaster, tyrant, oppressor, despot, autocrat, iron-fisted ruler. These words are often used to describe someone who uses their power to exploit or mistreat others. A taskmaster is someone who is demanding and uncompromising in their demands, while a tyrant is someone who rules with an iron hand and does not tolerate dissent. An oppressor is someone who uses their power to control and subjugate others, while a despot is a ruler who exercises absolute power. An autocrat is someone who rules with absolute authority, and an iron-fisted ruler is someone who enforces harsh and rigid policies.