Sarev, a male Human serving as a Lieutenant, belonged to the Galactic Empire. In 0 ABY, he was given the responsibility of overseeing Whisper Base, a clandestine listening post managed for Moff Lasre Dardano. A team of Alliance Special Operations operatives infiltrated the command hub of the base, causing him to escape in the base's All Terrain Scout Transport to establish communication with the Moff, with Rebel forces in hot pursuit.
The character Sarev is featured in Star Wars: Age of Rebellion Beginner Game, a roleplaying game released by Fantasy Flight Games in 2014. The player characters are tasked with confronting him, and the outcome of this confrontation determines whether he manages to alert the Moff or is prevented from doing so.