Iskhan

Iskahn is the Tenth Champion and leader of the Pugilists Guild, as well as a member of the Ten Lords Assembly which controlled the Dark Territory. Iskahn is one of the leaders of the Dark Territory who participated in the battle at the Great Eastern Gate against the Human Guardian Army, commanding the unit of Pugilists. During the battle, Iskahn had a duel against Scheta Synthesis Twelve and became interested in her.

(Source: Sword Art Online Wikia, edited)