Sesa 'Refumee (Earth-2042)

"The Sangheili are blind, Arbiter, but I will make them see."

- Sesa 'Refumee

Sesa 'Refumee was the leader of a group of heretics who had defected from the Covenant and taken control of a Forerunner gas mine orbiting the gas giant Threshold and a small outpost on Basis, the gas giant's moon which Installation 04 rested between.

Source

 * https://www.halopedia.org/Sesa_%27Refumee