1 Corinthians 4:2
But, moreover, it is required of stewards that one should be found faithful.
2 Corinthians 2:17
For we are not as many, who adulterate the word of God, [for gain]; but as of sincerity, but as of God, we speak before God in Christ.
2 Corinthians 5:20
We are embassadors therefore for Christ, as though God besought you by us; we pray you, for Christ, be reconciled to God.
1 Timothy 1:12
And I thank our Lord Jesus Christ who has empowered me [to preach,] that he accounted me faithful, putting me in the ministry,
2 Timothy 2:2
and what you heard from me through many witnesses, these things commit to faithful men, who shall be competent to teach others also.