Death From Below
Luna is a mechanic that worked for the wrong person at the wrong time. She fixed a speeder for a criminal that got caught, and blamed it on the speeder repair not being good enough.
Some of her people helped er leave her home world in secret, and in return she helps them out when she can.
Chadra Fan are a very social species, so she is happy to have found a new family in the crew of Geronimo.