Why would a man reject civilization?

Belinda could only speculate on why Barron chose to live as one with the natives of the frozen Canadian North. And on why he was called "the wolf." Murky past or no, he was the only man who could help her breach the jealously guarded privacy of the Nasaqs. If Belinda's linguistic research was to be successful, she had to contact these nomadic Eskimos.

Could he be induced to help her? Their antagonism was deep and mutual--despite an electrifying physical awareness.