I'm Asian and I'm wondering if people really don't like me because I'm Asian?

This's just a few of the things that have led to this, I've had people who have been friends with me for a while ignore me from a day to another without a reason, I've had people I've never talked to before be standoffish towards me, I've also had a job reject me even though their manager said I'd definitely get in for the job, I know it's not paranoid thinking to think people are out to get you, but I don't know for sure. I don't think it's the fact I'm Asian, but I'm not sure what else it would be.