It's obvious that she has been giving you hints that she is not interested in you. She's letting you know "We're not friends." It sounds like you have done your part and now it's time to back off and give her space and just avoid and ignore her yourself. If anything the ball is in her court and the best thing that you can do is let call you and seek you out, The environment there also sounds toxic right now so it might be a good idea to take a break and visit a new congregation.