The idea that people's identity sets them apart from others is described as identity:

Question

Quizplus · Accepted Answer

Identity contrast refers to the ways in which individuals perceive themselves as unique or different from others based on characteristics such as their culture, ethnicity, gender, or personality. This concept emphasizes the importance of recognizing and appreciating differences in identity, rather than viewing them as deficits or sources of conflict.

The Idea That People's Identity Sets Them Apart from Others