Ethnicity

Socially defined category of people who identify with each other

An ethnicity or ethnic group is a group of people who identify with each other on the basis of perceived shared attributes that distinguish them from other groups. Those attributes can include a people of a common language, culture, common sets of ancestry, traditions, society, religion, history, or social treatment. The term ethnicity is often used interchangeably with the term nation, particularly in cases of ethnic nationalism.

This keyword could refer to multiple things. Here are some suggestions: