Answer:
immigrants are who come from ther country with proper ligal authority
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.
Answer:
bad thing: u compare your self to other people, bad mental health, etc
Explanation:
good thing: u may actually learn interesting stuff, keep up with friends plus family, know when major events may occur
