Love and cheating

Sir am 21 years old iam in relation before 5 years he was cheating before 3 years back to a girl after some days he again come back to me and say I didn't do that type of behaviour again After some days we are very happy but past 2 years he always get angry to me he using abusing language ,very bad words are talking what I did I dont know sir but he was saying your are cheating to me ,your are sleep with others but its not my character sir in past 2 years to till now I was crying very day sir his like tourcher to me but I want him .I love him very much sir .I dont know want I can do but iam very very emotionally and mentally committed suicide sir . When I was question to him who person to chatting, calling and who person iam sleeping please say that name I am left from your life but he didn't say sir always every time I was tried cried cried because he was used to me he was tourcher to me to sexual harassment. I dont like that then I didn't go he was used abused language you have 10 people right then you didnot come from me he was saying like that way iam very tourcher sir .he was promise to me he was marry .but now he saying iam not marry you my parents are not agree you .what is solution for this problem sir