Yaktol Suwen (ヤクトル・スーウェン) is the head and representative of the Suwen Trading Company.
Yaktol has grey hair and a slender face. He looks a little older than Theresia.
Yaktol is a caring and nice man. Because of his relationship with Veltol when he helped him choose a gift for Tishua Astrea, the Suwen and the Astrea family became good friends in the later generations.