What role does Thornton play in Buck's life?

Thornton plays a pivotal role in Buck's life as a figure of compassion and care. After enduring harsh treatment from previous owners, Buck finds a new path with Thornton, who rescues him at a critical moment. This pivotal act of saving Buck signifies a turning point in the dog's life, allowing him to begin healing both physically and emotionally.

Thornton's nurturing demeanor contrasts sharply with Buck's earlier experiences. By providing Buck with affection and respect, Thornton fosters a bond based on trust and loyalty. This relationship is characterized by mutual respect and admiration, highlighting the theme of friendship and loyalty that runs throughout the narrative. Thornton's presence not only revitalizes Buck but also equips him with a sense of security that allows him to reconnect with his instincts and heritage.

In essence, Thornton becomes a guardian and a catalyst for Buck's transformation. His influence helps Buck evolve from a domesticated pet into a more primal and free-spirited creature, bridging the gap between Buck's past and his inherent wildness.