User blog comment:Master Sima Yi/Contradicting and confusing terms in the Encyclopedia/@comment-90.215.74.146-20111130175429/@comment-1153722-20111130175556

Ezio only leads the Italian Assassins. In addition to that, Ezio is also a Mentor. Yusuf is the leader of the Assassins in the Ottoman Empire, but he is not a Mentor.