Each of these characters is set up in accordance to the characters' background, setting and other characters.
Sean Maguire teaches psychology at a small college. He grew up in South Boston like Will Hunting. These two characters act as foils for each other in the sense that Sean tries to help Will realize his potential and put his past setting behind him and move on to accomplish great things. Sean serves as the example of how a person can move out of a bad neighborhood and situation and be a success. However, as the story unfolds, it becomes clear that Sean can learn a lot from Will as well.
Gerald Lambeau is an old college classmate and friend of Sean and a brilliant mathematician working as a professor at Harvard. He serves as a great foil for Sean and Will in the sense that he grew up in a privileged setting as they grew up in South Boston. Gerald is arrogant and condescending to Sean, but admires Will because he sees the genius that he is.
Skylar is a Harvard...
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