I have seen racism first hand and been at the end of it too, it's everywhere and no one is excluded. I don't think that was ever a contested issue. Why do you think his childhood was any different from anyone else? Seriously what did he go through that anyone else didn't? I mean picked on, hazed, teased, beat up, socially tortured that is just standard stuff you go through as a kid everywhere.
If he is nervous about getting into the mix in a system he doesn't know or with strangers then he is on par with everyone else. You think being a majority in the US makes you have less trepidation about starting something new?
I'm a new medic and started with a new company. Talk about being nervous. Some people are nice and other treat you like absolute :censored::censored::censored::censored:. This is EMS, it seems like half of everyone I meet is an :censored::censored::censored::censored::censored::censored::censored:. Burnt-out, lack of patience, hate that you are doing their job for less pay...you name it.
Finding other Asians isn't going to help him. Associating with good people will.