a black person who is too eager to please white people.
She was seen by other blacks in the neighborhood as an Uncle Tom for not complaining about police harassment.
an Uncle Tom
A derisive term for a black person who is submissive or servile to white people. The phrase refers to the titular faithful black servant in Harriet Beecher Stowe's novel Uncle Tom's Cabin. He was once a passionate activist, but he's become an Uncle Tom.