User blog comment:Gabriel Auditore/Assassinews 09/02 - Assassin's Creed: Initiates/@comment-4928711-20120914160934/@comment-1153722-20120914161432

The 'game' is an Abstergo product, distributed to the public to show the gray side of the Templar-Assassin conflict from the view of an Assassin (as opposed to the multiplayer, which will also be an Abstergo product in which the ancestor is a Templar). So it's a random person - the player himself.