1 Corinthians 4:2
Moreover it is required of stewards that they be found trustworthy.
2 Corinthians 2:17
For we are not, like so many, peddling the word of God; but as men of sincerity, as from God, in the sight of God we speak in Christ.
2 Corinthians 5:20
We are therefore ambassadors for Christ, as though God were making his appeal through us. We beg you on behalf of Christ, be reconciled to God.
1 Timothy 1:12
I thank Christ Jesus our Lord, who has given me strength, because he considered me faithful, appointing me to his service.
2 Timothy 2:2
And the things you have heard from me in the presence of many witnesses, entrust to faithful men who will be able to teach others also.