Please help me bullying !?

so me and my friends are going to camp but my best friend is friends with these 2 girls and when she is around them she is really differnt but we have camp really soon and were all in a cabin together . but they all want to prank me and make my life hell one of the girls is attually paying the others just to mak my time hell ! they said they would cut the heads off my teddys which i sleep with and will cry if they get hurt !! they also want to take my towel in the showers and put my hand in walm water ! i really dont know what to do they aint trying to scare me coz they did this to another girl i know and she is still scared of them i told the camp person and he did nothing but say u'll have the time of your life i know he has done it perpously to make sure we try to get along we fight alot please help me i dont know what to doooooo ??????????