Speed Jiru is the commander of the 14th division of the Whitebeard Pirates.

Speed Jiru is a somewhat round man of average height, wearing a brown fez and a white robe with brown sleeves/leggings, both with Whitebeard’s insignia printed on them. He wields a jousting lance for a weapon. He also carries a golden heater shield, also with Whitebeard’s insignia.

(source: onepiece.wikia.com)