ostracize
OS-truh-sizeverbMeaning to shut someone out of a group
Memory hook OSTRA-CIZE: shut OUT of the huddle. The penguins huddle close together and turn their backs on little Pebble, who stands alone in the snow: they ostracize him.
No one should be ostracized for liking different music.
In context After he told the coach about the cheating, the other players ostracized him; no one sat with him at lunch or answered his messages for weeks.
Similar exclude, shun, shut out, cold-shoulder
Opposite include, welcome, accept
From Greek ostrakizein, from ostrakon (a piece of broken pottery): the citizens of ancient Athens voted to send someone away by writing the name on such pieces.