In the Shadow of the Colossus
A simple half-orc merchant, part of the Mountain Trading Associates merchant Guild
Apparently, Rafa is a warlock. He uses his pact with devils to implant infernal spirits in innocent, unknowing people, who can later be turned into ravaging monstrosities for his own use. Rafa has been associated with Estavan and Lucio Gino.
He is now deceased.