https://www.siliconvalley.com/2023/06/08/a-small-world-how-caste-discrimination-came-to-california/

Like many recent arrivals to California, Prem Pariyar searched for work and a home within communities of fellow immigrants.

So when coworkers at a South Asian restaurant in Davis refused to room with him in an apartment his employer provided, he was shocked by their reason: his caste. Not his race, religion or nationality, but the centuries-old social hierarchies still prevalent in some South Asian societies.