Esdras
Esdras, a Sith Lord from the Sith Empire, was a male who existed in the era of the Cold War. Hiran Bessiker was his apprentice; in 3643 BBY, Esdras dispatched Hiran to Balmorra with orders to retrieve a Holocron that had been discovered by the Republic.
Behind the scenes
The character Esdras is referenced within Star Wars: The Old Republic as part of the Sith Inquisitor storyline taking place on Balmorra.