though I once used to abuse, persecute, and insult him. But he had mercy on me, because I had acted in ignorance and unbelief,

Let no one look down on you because you are young, but set those who believe an example in speech, conduct, love, faith, and purity.

Those who have Christian masters must not think lightly of them because they are brothers; they must serve them all the more faithfully, because those who benefit by it are believers and hence dear to them. These are the things you must teach and preach.