1 Corinthians 4:2

Now it is required in stewards, that each one be found faithful.

2 Corinthians 2:17

For we do not, as the many, adulterate the word of God; but, as from sincerity, but, as from God, in the sight of God speak we in Christ.

2 Corinthians 5:20

Therefore, we act as ambassadors for Christ, as though God entreated through us; we beseech in Christ's stead, be reconciled to God:

1 Timothy 1:12

And I thank Christ Jesus our Lord, who has given me power, because he counted me faithful, and put me into the ministry;

2 Timothy 2:2

and the things which you have heard from me through many witnesses, these do you commit to faithful men, who shall be able to teach others also.

Treasury of Scripture Knowledge

Summary

A wicked messenger falleth into mischief: but a faithful ambassador is health.

Bible References

Wicked

2 Corinthians 2:17
For we do not, as the many, adulterate the word of God; but, as from sincerity, but, as from God, in the sight of God speak we in Christ.