What douse this mean?

a girl io am usually friends with came over to me today just to tell me that another girl who is her friend hates me and wants me to die and if i knew what she is planning for camp ( they r in my camp cabbin ) why would she say this and should i be scared i mean people who are her friends have told me that she plans of cutting off my teddies head and putting knifes in it , putting my hand in walm water and things like that should i be afraid and why would she say that ?