Who is John Thornton?

John Thornton is a pivotal character in "The Call of the Wild," recognized for his compassion and kindness towards Buck. He rescues Buck from harsh and abusive conditions under Hal, Charles, and Mercedes, offering the dog a reprieve from suffering and a chance for a new life. Thornton treats Buck with respect and forms a deep bond with him, showcasing the themes of loyalty and the human-animal connection prevalent throughout the novel. This nurturing relationship highlights the transformative power of kindness, making Thornton one of the most significant figures in Buck's journey.

The other options do not accurately capture his character. While there are other dog drivers and musher rivals in the story, they portray a different aspect of the harsh wilderness life, contrasting with Thornton's benevolent nature. Additionally, Buck's original owner, Judge Miller, represents the domestic setting from which Buck was taken, further emphasizing Thornton's significance as a rescuer and protector in Buck's later life.