Paul, a servant of Jesus Christ, called to be an apostle, separated unto the gospel of God,
Romans 14:4
Who art thou that judgest another man's servant? to his own master he standeth or falleth. Yea, he shall be holden up: for God is able to make him stand.
Romans 16:1
I commend unto you Phebe our sister, which is a servant of the church which is at Cenchrea: