Super Short Summary

Citizen of the Galaxy by Robert A. Heinlein follows Thorby, a young slave on the planet Jubbul who is purchased by Baslim the Cripple, an elderly beggar and undercover agent against the intergalactic slave trade. Baslim educates Thorby, who later joins the Free Traders, the Hegemonic Guard, and ultimately discovers his heritage tied to a powerful family to fight against the exploitation perpetuated by his family's company. The book deals with themes of slavery and human trafficking.