Peoples have always constructed community by designating outsiders as others

Evidence

From time immemorial, peoples have considered themselves as “the people” and all the rest as “others.” Familiar examples are the Greeks and the barbaroi, the Jews and the goyim, the Japanese and the gajjin, and China as the Middle Kingdom. — David Theo Goldberg, John Solomos, A Companion to Racial and Ethnic Studies, 173

Categorization

• DEFINE: Useful comparative grounding of the self/other binary for definitional work.
• corroborated: 2 independent passages support this claim — David Theo Goldberg, John Solomos, A Companion to Racial and Ethnic Studies, 173