In Thay, the Red Wizards rule with an iron fist.
Though the Red Wizards are mighty indeed, they still need to eat (the living ones, anyway). They need strong backs to work their fields, build their roads, be fireball fodder in their armies, and be convenient for their magical experiments. To get those strong backs, they taught their servants how to collect unwilling sentient humanoids.
Enter the Thayan Slaver, a Rogue subclass! Inspired by and adapted from the 3.5e prestige class, the Thayan Slaver blends limited arcane spellpower with a whole lot of devious thuggery, allowing you to make new and flavorful characters! Though specific to Forgotten Realms campaigns, you can play this subclass in virtually any campaign setting without difficulty (with your DM's Permission, of course!).
- from the publisher's blurb