1. In the extract it seems that a young boy or girl is narrating the scene. Most likely a girl because of the heavy emphasis of the friend being a boy, it makes it seem that the narrator is not.
2. The voice is created in the first paragraph (mostly) and is shown to be informative but in an informal way, she is narrating but only as a memory, she is setting out what has happened and why it was normal- The voice is created as a monologue of memory which slowly turns into a dialogue later on (old man ranting on).
3. The register of the voice of the passage is informal, angry, happy and very rude, the man is obviously used to swearing and has no care that a minor will hear him, he seems to be using very basic words that are just blunt enough to be considered brutish. He doesnt have any relation to the narrator except for his massive amount of swearing which the narrator 'loves'.
4.The readers response is controlled by the narrators actions towards the passage of text, instead of being outraged at the huge amounts of swearing the reader instead thinks much like the girl/narrator. If the narrator can put up with the language than we have no excuse as the reader not to, we also think how she thinks, so instead of disliking the language we accept it as being in a way very beautiful in how it can flow and show such emotion.
5.The impact it makes on me is that the narrator is clever in some ways, oblivious to what is actually happening in the stadium and is thus quite content on listening to what is going on around her. But she is also slightly rebellious in the way she finds fluent bad language, I would of thought that another person would be against such use of language on a sport especially one such as football.