In Chapter 5 of 'Life of Pi', the narrative delves into the harsh realities of survival on the lifeboat after Pi's shipwreck. Stranded in the vastness of the Pacific Ocean, Pi faces the daunting challenge of sustaining himself while also managing the presence of Richard Parker, the Bengal tiger.

Initially, Pi is overwhelmed by fear and despair, grappling with the loss of his family and the uncertainty of his situation. However, he realizes that he must adapt to his circumstances if he hopes to survive. Pi begins to observe Richard Parker closely, noting the tiger's behavior, which becomes crucial for his own safety. He understands that establishing a semblance of order and respect between them is essential; the tiger is not just a threat but also a companion in this dire situation.

Pi utilizes his knowledge of animal behavior learned from his time at the zoo and begins to devise a strategy for coexistence. He recognizes that Richard Parker needs to see him as a figure of authority rather than prey. To this end, Pi employs various tactics to assert his dominance, such as using the lifeboat's makeshift tools to create barriers and boundaries. He also uses a whistle to train the tiger, creating a system of commands that helps manage Richard Parker's unpredictable nature.

As the days turn into weeks, Pi's resourcefulness becomes evident. He learns to fish and gather rainwater, turning the lifeboat into a makeshift survival camp. His routine consists of feeding Richard Parker while ensuring his own food supply, a delicate balance that requires constant vigilance. Pi’s understanding of survival grows deeper as he adapts to the rhythms of the sea and the needs of the tiger.

Throughout this chapter, the relationship between Pi and Richard Parker evolves from one of fear to a more complex bond based on mutual dependence. Pi reflects on the nature of their coexistence, pondering the thin line between predator and prey. He begins to see Richard Parker not just as a beast, but as a pivotal part of his survival story.

Pi’s thoughts reveal his inner turmoil and philosophical reflections on life, death, and the will to survive. The chapter showcases Pi's transformation from a terrified boy to a resilient survivor, illustrating his ingenuity and determination. This struggle for survival is not just physical; it is also a profound exploration of the human spirit in the face of insurmountable odds. The chapter concludes with a sense of cautious hope, as Pi learns to navigate this extraordinary situation, forging a bond that is as much about survival as it is about companionship.