Local authority social services and the Police have the main responsibility for responding when anyone is concerned that they or someone else is at risk of harm, abuse or neglect.
Gwasanaethau cymdeithasol awdurdodau lleol a'r Heddlu sy'n bennaf gyfrifol am ymateb pan fydd unrhyw un yn pryderu eu bod nhw neu rywun arall mewn perygl o niwed, camdriniaeth neu esgeulustod.