Is it ok to give a chance to someone you barely know his name?

I'm not planning on having any relationships that idea kind of scare me, I said no but he keeps insisting to give it a chance and the fact that I have never been in one... I don't know what to do, was thinking about getting to know him first but I am not even attracted to him in any way.

Is it ok to give a chance to someone you barely know his name?
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