What is the significance of gulus story in the novel peak?

In the novel "Peak" by Roland Smith, Gulu's story is significant as it serves as a parallel to the protagonist Peak's own journey. Gulu's experience of being a Sherpa guide on Mount Everest highlights the challenges and dangers of high-altitude climbing, providing insight into the risks involved in such expeditions. Additionally, Gulu's character adds depth to the narrative by showcasing the importance of teamwork, cultural differences, and the impact of personal motivations on one's actions in extreme environments.