Master Gu Jei (マスター・グジェイ) is a very seasoned vetran of The Hakuri Pirates, working in Soyokaze’s division. He was a former Marine, Bounty Hunter and Martial Art teacher and mentor. He joined Demetrius after getting defeated after his own dojo was under attack, agreeing to join him if he left his students alone. Gu Jei, joined after he enjoyed serving Demetrius and then turned to piracy. He has been called the “Gold Man” and “ Master Gu Jei of the South Mountains’’, because of his Devil fruit that Kinshou Kinshou no Mi.