God is testing my faith.......i need help!!?

ok well i have a very big issue.....well one of my gf's aunt hate US.....she thinks that my family will not accept her because she is not as well off as we are...but my mom likes her and my sisters too... but her aunt even called her father and told him the same thing....and he told her that if she is talkin wit me she should stop because my family is uo there and wont like her.......well later that nught she ran away and went by her aunt and stay the night ...she arrived there at 11 the night..... we got p that...... then her cousin ( the aunt's daughter) started to have her friends pretend to be with me and tell my gf that i cheating on she with them....that didnt work.....we still continue....now that aunt calls her and tells her to leave me else she would regret it.... now she has a close friend like a bro,, named miles and he carried her out for a drink she is only 17 and she went along without her mom's permit....while there she was textin me and i told her to go home and she did....the next weekend he sent a car to picj her up and take her to reach him and they meet up.....she was walkin and she might a p teacher who actually wanted to be with her.....and he befriended her and took her to his house to make a phone call...then her parents showed up cause he was their first suspect.... then the man claimed that they have a relationship going on but as much as my gf denying it he say he got proff.....he took a pic of my gf and photoshopped it into one of his a claims that they went out and had ....and her dad belieives him and want to marry her off to him....i love her i really do.....she took the test and it said that she is still a virgin.... welll the guy miles my gf bro...confess that they are working vodoo on her to make her marry the teacher and the aunt actually confess to it also that she will do what ever it takes to ensure that she and me break up...... my gf cant really remember what took place that night and the bro miles tell her that she and the teacher had and that they work on her and now she pregnant and i will never accept her with his child because i hate him...now my gf is afraid and worried.....the person who is doin this work said that she knot him and the man together and i might be the one who can break it...but i will not part take in that...for all i know it could be a way to set me up and work on me also..... but the reason i believe that something supernatural is takin place is because she acts weird to me...she gets angry when she sees me....she actually wants to fight her mother and the thing is she really hates this guy and even told me the nfirst time that he approached her.........she blanks out and those some really weird things and everything we talk or text or say...the guy miles always calling and could repeat the whole convo to us and we tried usin a different phone and it the some thing....can you guys give me some advise on how i can help this situation.....................its very serious...the father is being worked on too and he put a gun to the mother head and says that she has to go out with the man...............................help!!