The excerpt is taken from the story "The Adventures of Huckleberry Finn". It is a famous novel written by author Mark Twain. This novel was published in the year 1884 in United Kingdoms.
The novel is about a young boy who is explores out in search of adventure and freedom.
In the excerpt, Huck, the main protagonist is trying his best to save Jim from the man who wants to sell Jim to some of the cruel slave owners. But in the past, Huck did not have cared enough to try and help him. He then realizes Jim is very much like him and that he also believes that slavery is wrong. Huck helps Jim and risks his life going to the jail but he takes the risk.
I'd say 1. I think that it refers to his neighbor and himself being completely different. Pine and apple are very different, although I'm fairly certain you've already come to that conclusion by now. Sorry I didn't see it earlier
