Charles Dickens "The Great Expectations"

Early in the Novel Dickens turns pip into a snob, How does Dickens show the process and the result of this change?
This story is focused around the life of a boy called Pip who lives on the forge with his sister and her husband Joe. Pip's relationship with his family and with others changes as the book progresses and as Pip gradually becomes a snob. Dickens shows this process and results of this in a few clear stages.
Pip was a young innocent boy, who had no prejudices against any other class or type of person. So upon meeting the criminal Magwitch he does not turn him in. …