Dishonesty is a recurring idea in the narrative. One of the main causes of the underlying theme of alienation in this story is the dishonesty of the people around Thomas. Blue Elk, a fellow Ute, pretends to befriend Thomas and his family in the beginning of the story. However, Blue Elk's intentions are always selfish and usually mercenary. Blue Elk first leads Thomas's family to Pagosa's sawmill and away from the reservation by filling their heads with the idea that they would make a lot of money. Instead, the family becomes ensconced in chronic debt. Blue Elk lies to Thomas to get the boy to leave his wilderness lodge. Blue Elk then steals all the boy's possessions.
Red Dillon is also dishonest. He teaches Thomas to throw rodeo events so that he can up the ante on bets. His cheating often causes the two of them to get into trouble such that they must strategically hide their horses for sudden getaways from the small Western towns in which Thomas rides in rodeos.