Advice on cheating and plotting in relationship

I was in relation with a man who was married but he memtioned things between him and his wife are not good for which he provided me with screenshots of his wife etc and convinced me to be in relation with him i was very honest loyal with him bt he was also giving his 100 percent he met my mom (who is a cancer patient) too asked for my hand but after sometime he started telling me its difficult to tke divorce etc and finally he told me he cant as a reaction i sent all pics and chats to his wife and post that there is no reply response from him or his fmly wife etc,,,now after 3 mnths i got to knw from his frnd he is living a normal life i wnt to knw wat r my rights and what cn i do coz i m suffering daily wid my mom Muslim