[ἱερουργέω] from a compound of G2411 and the base of G2041; to be a temple-worker, i.e. officiate as a priest (figuratively)
Usages throughout the bible
Romans 15:16
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That I should be the minister of Jesus Christ to the Gentiles, ministering G2418 the gospel of God, that the offering up of the Gentiles might be acceptable, being sanctified by the Holy Ghost.