What is the main conflict in Child of God by Cormac McCarthy?

The book begins on Lester's family's property. There is an auction being held to sell off his land. Lester breaks into the scene. He is very angry that the auction has started. He threatens to shoot the auctioneer. Before he can carry out his threats, he is tackled to the ground by the sheriff. Lester has always been an outsider. He stays in his shabby home, alone. No one comes to visit him. The only time he interacts with others is to terrorize other townspeople and make them feel annoyed.