One who or that which (as an ant) makes slaves. See slave-making.(noun)
The Century Dictionary (Public Domain)
Use "slave-maker" in a sentence
"But unlike parasitic slave-maker ants, which raid and virtually destroy the colonies of unsuspecting hosts, L. minutissimus appears to move in and live amiably with its host."
"To this might easily be added man-hunter and slave-maker, a worthy attribute of Nimrod."
"Devil's Gardens slave-maker ants aphid farming army ant collective intelligence velvet ants"