2 to slander no one, to be peaceable and considerate, and always to be gentle toward everyone.

Read Titus 3:2 Using Other Translations

To speak evil of no man, to be no brawlers, but gentle, shewing all meekness unto all men.
to speak evil of no one, to avoid quarreling, to be gentle, and to show perfect courtesy toward all people.
They must not slander anyone and must avoid quarreling. Instead, they should be gentle and show true humility to everyone.