othering
US /ˈʌð.ər.ɪŋ/
UK /ˈʌð.ər.ɪŋ/

1.
the act of treating a person or group of people as intrinsically different from and alien to oneself or one's own group
:
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The politician's speech was criticized for its clear examples of othering.
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Understanding the concept of othering is crucial for promoting inclusivity.