Let the offending party go. God will handle him.
If you want a good series on forgiveness and the blessing in forgiveness you can no doubt listen to the pod casts of that time period when Pastor Joe allowed his sermon series to be recorded and mad einto a pod caast. For the podcasts you just go over to http://acts1.libsyn.com/webpage. It is there.
Also a good series around mothers day about Ruth and Naomi. A whole different way of looking at it.
A great lesson on mentorship and direction.