Randy Alcorn answers the specific question regarding what a godly wife should do if her husband doesn’t want to give to a local church. But in doing so, he gives a helpful, general overview of how a wife should respond anytime she thinks her husband is not following God. His synopsis in one sentence is: A wife is not to be her husband’s moral judge, but she is to be a moral example.
Read the whole thing here. It really is worth the 5 minutes.