Beloukas

Beloukas (ベルーカス), usually referred to as The Slave Trader (奴隷商) is a merchant who assists Naofumi Iwatani by selling him many slaves. He also conducts slave and monster seal rituals.

Personality
Despite his appearance and his trade, he is an honest salesman, or at least, that is what he claims. He himself realizes his dealings to be shady.

Background
He has tie-up with crown and readily accepted the order from the topmost authority to provide a slave to Naofumi in an less suspicious manner as possible. Relationship=

Heroes

 * Naofumi: They have a more business like relation and was thrilled to work with Naofumi. He was willing to aid Naofumi for his own reasons. Upon Naofumi’s request, he searches for and collects slaves who were former villagers of Raphtalia’s village. He admires Naofumi's business mind
 * Motoyasu

Other

 * Raphtalia: Despite being a slave trader, he feels pity for her condition, For whatever reason he made sure that Naofumi choose her as his slave. Even he himself didn't expect Raphtalia to be most valuable.
 * Filo: He sold Filo in egg from a lottery system to Naofumi and once again surprised at the result.

Trivia

 * As Naofumi himself references upon meeting him in the WN, the Slave Trader very closely resembles the Millenium Earl from D.Gray Man.