The Social Principle(s) of the Epistle to Philemon

To attempt to set forth the "social principle or principles" of a particular portion of God's Word, certainly presupposes that such "principle or principles" are to be found. But the question immediately arises, are there such principles? Does the Word of God purpose to set forth "social principles?" Furthermore, is not this term "social" a dangerous one? These, of course, are only a few of the many questions that can and, no doubt, do arise when considering a subject such as the one assigned....