 If Mia is wealthy enough to buy half the planet why is he Extrone's guide?
He crossed to Mia, who, along with him, had been pressed into Extrone's party as guides. I could buy half this planet, and he makes me his guide—at less than I pay my secretary." "After Extrone said he'd hunt farn beasts, even if it meant going to the alien system? "Of course you did," Extrone said, lazily tracing the crease of his sleeve with his forefinger. "Yes," Extrone said, "I imagine they are. Extrone's lip twisted in wry amusement. "Like all of my subjects," he waved his hand in a broad gesture, "the highest as well as the lowest slave, know me and love me.
 Extrone is the sovereign, everyone must do as Extrone commands.
 Extrone threatened to kill Mia's family if Mia didn't act as his guide.  Extrone found out Mia had hunted farn beasts previously and demanded Mia act as his guide.  Extrone kidnapped Mia, and is forcing Mia to act as his guide.  Extrone is the sovereign, everyone must do as Extrone commands.