This guy likes me but I don't like him. How can I tell him I don't want to be in a relationship/I just want to be friends?

Context: A little while ago we found out we liked each other through a mutual friend and since that we have gone on a couple dates and have kissed and stuff. Now, I do not like him like that anymore and I just want us to be friends. I am worried if I tell him this, it is going to hurt him and the friendship that I have with our mutual friends that I care about a lot and love having in my life. If I hurt him, he will go to them and then they might become angry or upset or something and not want to be friends anymore. This is also both him and my first relationship but not really relationship and we were each others first kiss. He is a very sensitive person and I don't want to hurt him but I now only see him as a friend. I'm worried that he will think we have formed a deeper connection then I think we have and I don't know what to do. Also I am sorry this is a lot of rambling

This guy likes me but I don't like him. How can I tell him I don't want to be in a relationship/I just want to be friends?
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