What is it called when there is hostility and ill- treatment towards someone because of their race , political , or religious beliefs ?

Persecute

Explanation:

Persecution is defined as the systematic mistreatment of a group or some individual by others based on discrimination. It relates to subject someone or to some group to ill treatment as well as hostility because of their political,  race or religious beliefs.

It is to harass or punish somebody ill treat them in front of others and put them to shame for their race as well as religious beliefs.

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