Strong’s Greek
G2783 — kerux
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
κῆρυξ
kerux — pronounced kay'-roox
from 2784; a herald, i.e. of divine truth (especially of the gospel):--preacher. see GREEK for 2784
3 occurrences in the KJV.
1 Timothy 2:7
Whereunto I am ordained a preacher, and an apostle, (I speak the truth in Christ, and lie not;) a teacher of the Gentiles in faith and verity.
2 Timothy 1:11
Whereunto I am appointed a preacher, and an apostle, and a teacher of the Gentiles.
2 Peter 2:5
And spared not the old world, but saved Noah the eighth person, a preacher of righteousness, bringing in the flood upon the world of the ungodly;