Judgment on Janus by Andre Norton
Naill Renfro lives in The Dipple, a ghetto on the pleasure planet of Korwar (same setting as in Catseye). He and his mother arrived there years ago as refugees when their home was destroyed by a space war. Now his mother is dying and she’s in a lot of pain and anguish. To purchase a final gift and a peaceful death for his mother, Naill sells himself into indentured servitude on a frontier planet called Janus.
When Naill arrives on Janus,