They are the author's memories and impressions with the man he based Life of Pi off of. If you read the introduction(which is all in italics) he talks about how he came to write the book, and one thing the author mentions is the first meeting of real-life Piscine. So while the story is going on, the author adds in his thoughts on the main character.
To satisfy his pride and to win fame for himself to help the king.
I regonized this From The Hate U Give Novel/Film , I would say the theme would be “Split identities”. Mainly because it’s talking about diffrent versions of herself.
<span>They celebrate festively.
This passage shows that even though they competed against each other in the tournaments, they would celebrate for days afterwards with as much singing, dancing, and eating as they possibly could take. This shows how festively and elaborately they celebrate.</span>