Through witnessing the trial, Scout learns a lot about Maycomb and its inhabitants, particularly Bob Ewell, Mayella Ewell, Tom Robinson, Dolphus Raymond and her own father, Atticus.
Bob Ewell is the villain of the ‘To Kill A Mockingbird’ and, as a result of the trial, he attempts to get revenge on Atticus and his family. However, in the trial itself he is depicted as a very unpleasant person, not only by his appearance, “a little bantam cock of a man” but also by his conduct. Scout learns that he drinks and sometimes leaves his family for days, he is violent and he may even be committing incest with Mayella. Atticus establishes that he is left-handed and that Mayella was probably beaten up by a left-handed man - it seems that he, and not Tom Robinson, beat up Mayella after he saw Mayella trying to kiss Tom. Bob therefore lies during the trial and is prepared to sacrifice the life of an innocent man for the sake of his daughter's reputation. His abominable behaviour during the trial and his assumption that everybody will be on his side against a black man convince the reader that he is a thoroughly loathsome character.
Mayella Ewell also lies in court but for different reasons to her father. She is the only responsible member of one of the poorest families in Maycomb. She looks after herself and her brothers and sisters and even tries to bring some beauty into their lives by growing geraniums. Her family is so poor that white people will have nothing to do with her and, at that time, it was not possible for her to be friendly with black people. Hence Scout coming to the conclusion that she is "the loneliest person in the world". Tom Robinson passed her house every day on his way to work and, according to Scout; he was probably the only person who was ever nice to her. Tom's evidence at the trial implies that she had planned to make a pass at him for a long time. It took her nearly a