It depends.....is she getting paid for it or is it a free service?
There's a reason why its not legal and just mentioning legal issue should clue a woman in to why its not good for her. She should respect herself and see she is to good for this way and if a man is wanting a woman to do that he has not respect for her...specially if its an arab man shes visiting since they dont even speak to arab woman whose not in his family. then why he goes to sleep with your friend?
I hope that is not the case here because woman are too special and should take care of themselves and not make themselves cheap ones for any man. Look how the woman cover herself in my county. Why do you think they do this? They dont let a man touch them this way. I feel too bad for the woman letting the man touch them with no responsible and no right to have her because she is special.