Titles and Names of Ministers: Ministers of the Gospel
Source: TTT
Ephesians 3:7
I became a servant of this gospel by the gift of God’s grace, given me through the working of His power.
Colossians 1:23
if indeed you continue in your faith, established and firm, not moved from the hope of the gospel you heard, which has been proclaimed to every creature under heaven, and of which I, Paul, have become a servant.