7 Bible Verses about Admonition, Warning

be then upon the watch, and remember, that for three years I have not ceased by night, or by day to warn every soul of you, even with tears.

As to myself, I am persuaded, my brethren, that you abound in goodness, and in variety of knowledge, and are able to instruct one another.

This I don't write to give you any confusion, but by way of remonstrance, to you who are my dear children.

he it is that we preach, exhorting, and instructing men in every part of divine knowledge, that they may all be perfectly acquainted with the doctrine of Christ Jesus.

Let the christian doctrine be the familiar subject of your entertainment: in all wisdom instructing and exhorting one another, in psalms and hymns and spiritual songs, melodiously tuning your grateful praises to God.

We entreat you, brethren, to respect those, who labour in the ministry, who by divine appointment preside over you, and instruct you.

however, don't treat him as an enemy, but reprove him as a brother.