Roshak was a Lyran duke that ruled over Peladine in 2402. He was at the source of a labor dispute against the teachers on the duchy's capital planet that required the intervention of the Lyran Senate and of Lyran Starfleet Command, leading to a strike. (Star Trek: The Stoneship Files: "Educational Armageddon")
Roshak was arrested, alongside highly corrupted administrators, and taken into custody aboard the Enterprise, for Title XI violations. (Star Trek: The Stoneship Files: "Post-Apocalyptic Education")