Risen 2 Dark Waters: The Sword Coast Traders

Ranapiri [#1] - he'll agree to trade with you if you complete the Free Tahana quest. He sells mostly hunting trophies needed for voodoo rituals.

Kapua [#2] - the witch from the Natives' village offers a whole lot of alchemy ingredients and items needed for magic rituals. If you've decided to follow the voodoo path, you will surely be her regular customer.

Sophia [#3] - the innkeeper from Puerto Isabella sells clothes, tools and some jewelry. Don't underestimate her, though, because she's connected with quite a few quests.

Cooper [#4] - the city's blacksmith has a wide assortment of blades - from small-sized daggers to powerful epees and sabres. He's connected with the quest Blades for Cooper for which you receive the blade of the King's Sword.

Webster [#5] - the good-natured pistol maker will gladly sell you some ammunition and some of his own products. His assortments also hides two schematics for firearms - the Seaman's shotgun and the Fire cudgel.