Should I block him?

So I'm a 20 female friends with a 22 yo male online. We've been friends since October from a language exchange app and have been talking everyday since We share a lot of interests and we have the same humor But these past couple of months he's been starting to act weird or maybe he's just started showing he's true colours. He can be very condescending in a joking way but when I think about it it has taken a toll on my mental health. He comments on my apprence and has called me flat multiple times he also calls me bitch in a joking matter which I stated in the beginning of our friendship I didn't like. He has also recently started to talk about his other online friends sending me screenshots of their chats together, but only the girls. And comments on how cute his other online girl friend is which I just find plain weird,since I'm not a guy and wouldn't know what to respond to that. Now it kind of feels like he just loves getting attention from girls he follows mostly girls and posts pictures of himself for attention his words not mine. So now it feels like we don't actually have a real friendship but more like hes one of those guys who just loves getting attention from girls and now it feels like I'm involuntarily in a competition with all his other girl friends which I don't want. and It feels kinda like I'm being used since Im a good friend who listens to him vent and care about his interests, where I feel like he mostly just texts me because of that fact, He also mentions his body count which makes me really uncomfortable .and it feels like he has no game with girls irl 😭 he also casually calls girls bitches and a girl he was talking to chopped I think it's really degrading launguage to use even if you were wronged by someone. It feels like he just keeps pushing my boundaries I myself am Christian and don't use curse words when we talk he knows about my beliefs but he still keeps talking about things that make me uncomfortable like how he jerks off a lot etc which I told him made me uncomfortable but he told me that everyone does it so I was the weird one . Idk being friends with him has just caused me a lot of anxiety and it's really draining sometimes I really really just want to block him because he takes a lot of my energy. But I don't know how to end our friendship without hurting him I also feel like it would be unfair because he's told me so much personal stuff about himself so I'm scared he'll feel used in some way I just don't know what to do 😮‍💨 but my mental health hasn't been great after we started talking yes it's pretty stupid and pathetic but that's just the truth. I'm also at a point of my life where I struggle a lot with loneliness and low self esteem.I have recently just moved out and spend a lot of time alone so losing a friend sounds pretty dang terrifying right now because I'm afraid I'll feel even more lonely and he does text me a lot which has helped me feel less lonely. The question is just should I keep him as a friend or should I just block him and be alone for a while. Thanks in advance