1:5-9 The character and qualification of pastors, here called elders and bishops, agree with what the apostle wrote to Timothy. Being such bishops and overseers of the flock, to be examples to them, and God's stewards to take care of the affairs of his household, there is great reason that they should be blameless. What they are not to be, is plainly shown, as well as what they are to be, as servants of Christ, and able ministers of the letter and practice of the gospel. And here are described the spirit and practice becoming such as should be examples of good works.
9. Holding fast—Holding firmly to (compare Mt 6:24; Lu 16:13).
the faithful—true and trustworthy (1Ti 1:15).
word as he has been taught—literally, "the word (which is) according to the teaching" which he has received (compare 1Ti 4:6, end; 2Ti 3:14).
by—Translate as Greek, "to exhort in doctrine (instruction) which is sound"; sound doctrine or instruction is the element IN which his exhorting is to have place … On "sound" (peculiar to the Pastoral Epistles), see 1Ti 1:10; 6:3.
convince—rather, "reprove" [Alford], (Tit 1:13).