hehehe...psycho girl is still here... and still won't leave me alone?

so this girl has threatened suicide cutting her self said she loved me...ti thinks that's it for now. she is now also showing up everywhere and trying to befriend my friends. she joined the anime club(yes I'm a weeb) she never even liked anime but she is now in the club. everyone there (well except for her) are my friends and some of my best ones for that fact. on our discored she started talking **** about me...i was only at the second and in fact, i was the last person who spoke on it! please give me advice it has been over a year and a half and she is still harassing me!!!! also therapy and guidance counselors don't do **** so don't say go to one of them