Jim Elliff's Loving Even the Cantankerous is a brief article full of sound advice on dealing with difficult individuals in the church.
He was one of the most cantankerous men I had ever known. When all the church wished to move forward into a new area of ministry, you could count on him confronting the elders about it in a negative way. In fact, “negative” was his middle name. Our system of decision-making did not allow his views to be buried in a hidden vote, but brought him straight into contact with the leaders with whom he almost always disagreed. Time after time, there he was, the only “aginner.”
You can read the full article here.