who is thel vadam?
â. Thel' Vadam (formerly known as Thel' Vadamee), is the Sangheili Kaidon of the Vadam family and was an Arbiter during the closing days of the Human-Covenant War. He has commanded fleets, and is responsible for the Sangheili uprising against the Hierarchs after he and his race were betrayed by them and the Jiralhanae.