If you are being gang stalked take it as a good sign. You are being tested. What are you being tested on? You are being tested to see how you handle hardship, how you handle betrayal, how you deal with insults, how you deal with gaslighting, how much faith you can hold during hardship, can you stand on your own? Most of all you are being tested in fire to see if you can control your mind and thoughts. It sucks its hard it can ruin so many aspects of your life but its the battle you have to fight to grow and become a better version of yourself. Can you be humble, can you be grateful, can you be strong, can you pass the test? Can you hold your ground without fear? You'll be fine, you are never alone with the armor of God. You have an army of angels fighting by your side that you can't see.
Ive been battling this for 10+ years. Try to keep a PMA (Positive Mental Attitude)
Having a mental illness doesn't make you a bad person. Too many people really go too far in mocking people with a mental illness.
Getting help isn't a bad thing and doesn't make you any less of a person.
It's obvious that you have some sort of delusional paranoia, just from what you've said here.
I doubt that I'm saying anything new here that you haven't heard before, but I think you would benefit a lot from getting some professional help. It's clear that you're suffering a lot from this, and I hope that one day you can take that step to getting help.
Best wishes for you.