Yongle's right-hand eunuch, he was entrusted with commanding the hundreds of treasure ships that sailed around the ports of the Eastern Hemisphere. eunuch, 6' 4", built really big, Muslim, left the court to go out, admiral of the fleet, from nan keng, and built fleets, recruited his own sailors, soldiers, and guides, went to southst asia, india, arabia, africa, brought back a lot of tribute. He was diplomatic with the people he encountered, spreading the name of China throughout the Indian ocean region and southeast Asia. He resorted to military force only when necessary. This brought criticism from many Chinese people who believed that the only acceptable relationship with foreigners was tributary.