What kind of personality does scout have and what event captures it the most?

The narrator and main character who begins her story at almost six years old. A rebellious tomboy, Scout has a fierce disposition toward any who challenge her, but at heart she believes in the goodness of people. Scout reacts to the terrible events of the book without losing hope in humanity. I think the scene when Scout faces the mob of men, ch 15,  in front of the court house is important. Scout uses her goodness and innocence to difuse the mob. She shows intelligence and compassion to make Mr. Cunningham see what he is doing.