Many people feel threatened and have concerns for their personal safety, it has a detrimental effect on health and well-being and the financial implications can be devastating.
Mae llawer o bobl yn teimlo o dan fygythiad ac yn pryderu am eu diogelwch personol, mae'n cael effaith niweidiol ar iechyd a lles, a gall y goblygiadau ariannol fod yn drychinebus.