How to get close to a shy, maybe egoistic looking guy?

I know nothing about him still but from his TikTok reposts, i can tell we have a lot in common. But after my friends childish acts, he unfollowed me and now ignores me. I really want to talk to him, just say hi and ignore him forever if that’s what he wants. Also, why does he act and barely friends.

How to get close to a shy, maybe egoistic looking guy?
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