Deal Courage is shown by Ms. Dubose.Courage is represented by Atticus Finch in defending a black man. In the last scene of the movie, Scout is told to "Rise" in deference because her father is coming...
Mrs. Dubose when she had Jem read to her to take her mind off of her withdrawals is one example. Another is when Boo Radley came out and killed Mr. Ewell to save Jem and Scouts' lives.
Scout had courage when she was visiting Atticus late at night and witnessed the mob coming to (presumptively) hurt his client. She talked to the angry men and distracted them, ultimately calming them...