THEL 'VADAM

Thel 'Vadam, formerly known as Thel 'Vadamee and most famously as the Arbiter, is a central Sangheili protagonist in the Halo universe. Originally the Supreme Commander of the Covenant's Fleet of Particular Justice responsible for massive human casualties, he was branded a heretic following the destruction of Installation 04. Appointed Arbiter by the High Prophets, he uncovered their betrayal and led his people, the Swords of Sanghelios, in a pivotal alliance with Master Chief and humanity.