Lennie, Crooks, Candy, and Curley's wife are marginalized figures on the ranch. Since the ranch is a microcosm of capitalist society, these four characters also represent marginalized groups.
Lennie is marginalized because he is mentally handicapped. His lack of intellectual comprehension gets him into trouble, especially around people who don't understand his disability.
Crooks is Black, and because of this, he is a victim of racism. The other men refuse to allow him to live in the bunkhouse with them. They exclude him from their social life. Curley's wife humiliates him by threatening to have him lynched when he tries to get her to leave his room, a threat Crooks is forced to take seriously.
Candy is missing a hand and is also getting old. These traits impair his ability to work, and he worries about his future and what will happen to him as he becomes increasingly unable to earn a living due to his age. He does not have Social Security or savings to fall back on.
Curley's wife is the...
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