Rejac (Torchbearer)

Rejac was a 23rd century Klingon man, a follower of T'Kuvma. He had a brother, Or'Eq.

In 2256 he was given the ceremonial role of Torchbearer and sent to activate the Beacon of Kahless. There he encountered Michael Burnham and attacked her. He was killed by Burnham. 

Given his name, he and his brother possibly belonged to Line Rejac.