That no man go beyond and defraud, &c.— And finally, that no one over-reach or injure his brother in that respect; namely, of adultery or impurity. All the best commentators allow this to be the sense of the passage.
Related Commentaries of 1 Thessalonians 4:6
1 Thessalonians 4:6
6 That no man go beyond and defraudb his brother in any matter: because that the Lord is the avenger of all such, as we also have forewarned you and testified.