2 Timothy 4:2
Preach the word. Proclaim the Word, as a herald of Christ. This is implied in the Greek. Nothing else must be preached.
The word to herald a message has implications: 1) the herald did not originate the message. He could not change it and had to herald it fully. 2) The message carried the implication that it was important, from the king, and thus the message and messenger were to be received respectfully. 3) there was the (implication or ) expectation that the message would be obeyed and followed.
The excellence of the Scriptures has just been mentioned (2 Timothy 3:16-17). These equip the preacher for his work.
See Acts 20:27 for Paul’s practice.
Be instant = to take one’s stand, to stand by, to be at hand. The word was also used in a military sense; i.e., "to stay at one’s post,’ but here it means ’to be at one’s task’ and indicates that the Christian minister must always be on duty.
Season = well-timed, suitable, conveniently;
Out of season = not well-timed; i.e., when it is inconvenient. (LKGNT).
Reprove - Ελεγξον· Confute error and false teacher. Censure as for a fault.
Rebuke - Επιτιμησον· Reprove cuttingly and severely those who will not abandon their sins. See on 1 Timothy 5:20
Rebuke - "To reprove sharply, to reprimand with authority." Rebuke offenders; Titus 2:15; see the use of the word in Matthew 8:26; Matthew 12:16, (rendered “charged”); Matthew 16:22; Matthew 17:18; Matthew 19:13; Matthew 20:31; Luke 4:35, Luke 4:39; Luke 17:13; Luke 18:15; Judges 1:9. In the New Testament the word is used to express a judgment of what is wrong or contrary to one’s will, and hence, to admonish or reprove. (Barnes)
Exhort - Παρακαλεσον· Encourage and comfort the weak. "To urge by earnest appeal or argument," by persuasion.
With all long-suffering - Patience; In reference to each and all of these cases.
And doctrine - Give teaching suited to each.
FALSE TEACHERS - 2 Corinthians 11:13-15, 2 Timothy 4:2-4, 1 Timothy 4:1-3, Matthew 24:24, Acts 20:28-30, Galatians 1:7-9, Deuteronomy 18:21-22.
To Support false teachers is Sinful- 2 John 1:10-11.