Am I leading him on and should I tell him I don't want a relationship?

Basically this guy has liked me the beginning of this year, then stopped, and now he likes me now. It was always a thing where his friends would ask if i liked him and that he was gonna ask me out. I told my friends at the beginning of the year i didn't like him, but now i do. So basically now we both like each other. We are starting to talk and now the whole thing is starting up again. His friends ask if i like him, rumors around that he's gonna ask me out. We actually started to talk around 3 weeks ago. He is super nice and caring, and recently he asked me to go eat out together yesterday. Everyone thinks we are dating and that we are a couple, he even tells his friends i'm his girlfriend already. Everyone says that but me, i personally think we aren't. Everyone ships us together, but the thing is, i don't like him 100%. I like him, but don't love him like i would to a boyfriend. (I've also never had a boyfriend before) He is continuing to talk to me and i continue to talk to him. Pretty sure he think's i like him like a boyfriend.

I've always thought i wanted a boyfriend, that's why i started talking to him, but now I've come to realization, i don't want a boyfriend in general. With all the pressure, it's hard knowing almost everyone ships us together, and his friends always talk to me about him. Since people think we are dating, if i tell him how i truly feel i feel like everyone will make me feel ashamed. He is super nice, but i feel like I'm leading him on. I still like him a bit, but like i said before not 100%. Pretty sure he is going to continue to also ask to hang out with me, to work his way up to ask me out to be his girlfriend. I don't like him as much anymore, but he really likes me. Keep in mind, i never had a boyfriend. This is lowkey very stupid but i just wanna hear peoples opinions and advice.

Rn, it's just one big mess and I feel stuck and I don't know what to do without seeming like a bad person. Hope this story makes sense.

Am I leading him on and should I tell him I don't want a relationship?
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