 Var and Neena most likely belong to which group:
Now, if her father and his kinsmen overtook them, it would be death for Var, and for Neena living shame. Which of the two was worse was no longer a simple problem to Var, who had grown much older in the last days. Warming to the old man now, Var sketched his and Neena's history briefly. The Watcher was broodingly silent; his eyes shifted to Neena, where she nestled by Var's side. Neena returned his gaze without flinching; then she looked sidelong at Var, and her lips curled with a proud and tender mockery. Neena pressed her face against Var's shoulder, hiding her eyes.
 Descendants of the slaves of the Ryzgas
 A mutated strain between the slaves and masters of the Ryzgas  Descendants of the slaves of the Ryzgas  Members of an alien group that destroyed the Ryzgas  Descendants of the Ryzga masters