What did Pi do to keep Richard Parker satisfied?

To keep Richard Parker satisfied, Pi Patel fed him regularly with fish and other small animals he caught while stranded on the lifeboat. He also established a routine for feeding and caring for the tiger, which helped maintain a balance between their survival needs. Additionally, Pi created a sense of dominance over Richard Parker by using a whistle and establishing territory, ensuring that the tiger viewed him as a provider rather than a threat. This careful management of their relationship was crucial for Pi's survival at sea.