Gavra Ubrento was a female human mechanic part of a roving crew that offered repair services. Despite a lack of access to state-of-the-art technical tools and facilities, Ubrento was skilled at keeping starship propulsion systems functional. Ubrento had done business with the droid mechanic Kaya Gimm. When Kaya and her sister Killi were driven from their orphanage by the Galactic Empire, Ubrento promised to spare a few supplies to help them resettle. Ubrento was present in Jedha City shortly before it was destroyed by the Galactic Empire's Death Star.