It depends on how he asks for the money. If it is a donation to the police department (I get the calls all the time), it is not a crime. Even if it is in the grey area, your friend is better off keeping quiet and not giving him any money as well.
If she goes to get a restraining order, she may not be able to get it and she will probably be deported.
If she goes to get a restraining order, she may not be able to get it and she will probably be deported.