Cardi B has had enough of estranged husband Offset 's alleged harassment ... she says his behavior is starting to make her fear for her life. After filing for divorce from the Migos rapper and moving on with boyfriend, NFL star Stefon Diggs , Cardi claims Offset is still "obsessed" with her. And she's got a point ... Offset recently suggested that Cardi's kid with her new man could be considered his child according to Georgia law in tweets he's since deleted. Cardi warned those who might laugh