Witnessing

We received this question: “How do I witness to a neighbor that is living in sin?  What course of action should I take when our neighbors are living together but are not married yet, but will be in the future?  We hardly see them so our witness is minimal.  Should we visit with them and let them know what we believe?  Our greatest fear is that we will shut them off from communicating with us about the truth.” The question indicates a good sense of our responsibility toward our neighbor;...