Who is primarily responsible for the group that encounters the Yee-hats?

The primary responsibility for the group that encounters the Yee-hats lies with John Thornton. He is depicted as a strong, compassionate leader and protector of Buck, the central character. Thornton's actions and decisions significantly influence the group's dynamics and their interactions with other groups, including the Yee-hats. His presence brings a sense of stability and safety to Buck, contrasting with the more chaotic and often cruel leadership displayed by characters like Hal or other members of the group. In the narrative, Thornton’s willingness to confront dangers directly illustrates his leadership and personal strength, showcasing his role as a protector rather than merely a participant in the unfolding events.