Slumdog millionarie questions

1)What does the title mean? How does the title and the contrasts within it provide symbolic summary of the film?

Slumdog Millionarie is like a millionarie that comes from a poor family.
That Jamal was a poor guy that pass for a certain series of cruel evnts and that at the last he become millionarie in a game.

2)Early in the film we see the young Jamal dive into a latrine pit to steal a glimpse at a visiting movie star. How does his single-mindedness to see this movie star reveal his determination?
What other examples do you see in the film of his determination?

That he do what neccesary to obtain what he want in that case the autograph of the artist. Another example in the movie is that he always do everything he can to see Latika and try to rescue her.