I became its servant by the commission God gave me to fully proclaim to you the word of God,
Of which I became a minister according to the stewardship from God that was given to me for you, to make the word of God fully known.
It defines Paul's commission.
24Now I rejoice in my sufferings for you, and I fill up in my flesh what is lacking in regard to Christ’s afflictions for the sake of His body, which is the church. 25I became its servant by the commission God gave me to fully proclaim to you the word of God, 26the mystery that was hidden for ages and generations but is now revealed to His saints. 27To them God has chosen to make known among the Gentiles the glorious riches of this mystery, which is Christ in you, the hope of glory. 28We proclaim Him, admonishing and teaching everyone with all wisdom, so that we may present everyone perfect in Christ. 29To this end I also labor, striving with all His energy working powerfully within me.