So if she marries another man while her husband is still alive, she will be called an adulterer. But if her husband dies, she is free from this law, so she is not committing adultery if she marries another man.
Marriage is honorable in every way, so husbands and wives should be faithful to each other. God will judge those who commit sexual sins, especially those who commit adultery.
In addition, I have bought as my wife the Moabite Ruth, Mahlon’s widow, to keep the inheritance in the dead man’s name. In this way the dead man’s name will not be cut off from his relatives or from the public records. Today you are witnesses.”