Muslim relatives with gambling problems?

if they refuse to listen, u cant make them listen.. and im sure that they know the risk that they are taking.. i have a friend like this.. when i tell him that he is getting addicted to it, he tells me that he isnt.. and he can stop whenever he wants.. but he doesnt seem to.. i cant force him to stop neither can u force ur relatives.. unless u know someone that has authority over them so u can tell them to stop or maybe stop giving them money.. other than that, i really dont think that u have anything other than dua.. and im with u in that insha'allah