To speak evil of no man, to be no brawlers, but gentle, shewing all meekness unto all men. To speak evil of no man - especially, not of "dignities."
No brawlers - not quarrelsome, attacking others. Gentle - toward those who attack us х epieikeis (G1933)]; considerate; not urging one's rights to the uttermost, but forbearing (note, Philippians 4:5). Very different from the 'innate graspingness,' greediness, and 'aggression' (Polybius, 6: 46. 9) toward others which characterized the Cretians.
Showing, х endeiknumenous (G1731): middle] - 'in one's self, evincing in acts.' All - all possible.
Meekness (note, 2 Corinthians 10:1) - the opposite of passionate severity. Unto all men - Christian conduct toward all men is the proper consequence of the universality of God's grace to all, so often set forth in the pastoral letters.