4 adjectives to describe traffickers

Then it was enacted that slaves should be introduced only by authorized traffickers, who soon raised the price to 60 or 70 Castilian dollars per head.

Who can have heart to fight for such heartless traffickers?"

The honest trafficker brought his cutter into port, with as innocent a look as a mill-boat.

With one or two exceptions, these Mendians are not related to each other; nor did they know each other until they met at the slave factory of Pedro Blanco, the wholesale trafficker in men, at Lomboko, on the coast of Africa.

4 adjectives to describe  traffickers