Hi everyone, So it hasn’t being long since I enter

Hi everyone,
So it hasn’t being long since I entered college. I have always wanted to focus on God and my education. Being in a relationship is still the least thing on my mind.
So months back when I was at home during the lockdown one of my not too close friend told me of her cousin who said he likes my picture.
Long story short he got my number and we started talking .
He told me how I was his spec , he said he liked medical girls and so on.
I didn’t find him attractive in anyways truth be told am not attracted to short, dark guys.
But he sounded a little bit matured do I continued the conversation.
So he finally asked me out and I agreed, not because I liked him but because I felt if I refused he would stop communicating with me. He would send me random airtimes I usually tell him to stop cause I wasn’t comfortable with it.
At a point I got used to it because he won’t stop.
He would send me money and the last valentine he sent me gifts ( I was surprised tho).
So while in school I was always busy with stuffs and this guy wanted to see me, he tried seeing me when I was at home but I told him my parents are strict. Well I refused to see him because I didn’t feel I was ready to see him in person.
If we had a little misunderstanding he would stop calling me for like a week. I would be the one to call and settle it.
If I made a mistake he would remind me of how my mistakes I have done.
He would always make me feel like am moving with other guys something he tells me to catch my cruise with other guys but start saying I move with guys too much.
One day I decided to call it all off when he didn’t call me and wasn’t picking my calls either.
And her told him the truth that I was only bored and I do not really like him and stuffs like that.
He kept on calling tho but just normal calls but I felt he was heartbroken so I tried to fix it.
And I told him it was part of my moodswing.
Well I was actually depressed that day.
He said I didn’t believe me but we did make up.
Recently he started giving me attitude he I called he will say his busy. He once warned me never to call him in the night if I was going to sleep early. But he would call me and when we started discussing he would say goodnight and that he has plans.
He tells me he doesn’t have time for girls and his just trying to have time for me.
His rude sometimes but he doesn’t know.
He feels he lowered his standards for me because he is the graduate and he is working but am a mere undergraduate.
So recently, he sent me a post from twitter the phone post talks about NOT DATING A TECH GUY IF YOU WANT ATTENTION.
And my reply was THANK YOU FOR THE ADVICE. I MADE A MISTAKE.
since then we haven’t talked.
I was so scared to break this up.
Because all his friends know my and he has some of my pics.
And only God knows the lie he would say about me to them.
Recently he wanted me to do a video call with him naked.
I refused too.
Am sure if I foolishly did that he would have captured it and used it against me.
He keeps every little information.
Even the chats I had with him from day one has cleared on my phone but he still has them.

Any advice please.