ostracize
verbUK /ˈɒstrəsaɪz/
US /ˈɑːstrəsaɪz/
To shut someone out of a group on purpose.
The other kids ostracized him because he was new.
OTHER MEANINGS
2. To refuse to speak to or deal with someone as a way of punishing them.
After the argument, she ostracized her former friend completely.
3. To banish a person from a community by public vote, as in ancient Athens.
Citizens could ostracize a politician they thought was too powerful.
4. To exclude a country or group from trade or social contact.
The league ostracized the nation for breaking the rules.