Why do i smell when i sweat alot

hey everyone , I was wondering why I smell when I sweat from the ass , ive already looked up many things to stop the smell and none have worked , like showering everyday, tried using just water , tried using just soap , I tried to stop the sweat instead but it didn't work , I used anti persprant but it didn't work for long and I even used it at night , and I found out it could make you smell even worse. being a teenager and having people from school and ur family look at u weird and not want to be near you or walk next to you is very depressing and super embarrassing ,whats even worse is that I have anxiety so when I do sweat , I don't stop thinking about it and try to avoid everyone around me. tbh I really do feel like I'm going to be alone forever as it wont ever go away, and when I go to the toilet I clean a lot, and have to wipe my butt until its red raw.just nothing seems to work. please help. thanks :)