* Black descendents of slaves vs African immigrants [1]
* Chinese Americans vs Hmong Americans (a higher poverty rate than Black Americans! [2])
* A Korean who grew up in Koreatown LA vs one who grew up in Utah
* A Boston Brahmin vs an impoverished White Virginian whose family members were targeted by eugenic boards
That said, Affirmative Action can reasonably make those from marginalized groups feel more welcome. In elementary school for example, I felt very out place among the largely affluent members of my accelerated math class. By contrast, I related much more to the mischievous truants who would later go on to be low-level criminals.
[1] - https://www.nytimes.com/2004/06/24/us/top-colleges-take-more...
[2] - https://tcf.org/content/commentary/misleading-data-policies-...