Tiberius was a body slave it the house Spartacus attacked with the rebels. At first he tries to kill Spartacus for taking his life away, a life were he was a slave but a slave with 'position'. Later he embraces his freedom and reclaims is original Syrian name Nasir. He helps Spartacus and becomes part of the rebellion. On a personal matter he develops an intimate relationship with Agron. He is a very honest and joyful man, not afraid of standing up for what he believes in.