'Servant' in the Bible

Paul, a servant of Jesus Christ, called to be an apostle, set apart for the Good News of God,

for he is a servant of God to you for good. But if you do that which is evil, be afraid, for he doesn't bear the sword in vain; for he is a servant of God, an avenger for wrath to him who does evil.

Who are you who judge another's servant? To his own lord he stands or falls. Yes, he will be made to stand, for God has power to make him stand.

Now I say that Christ has been made a servant of the circumcision for the truth of God, that he might confirm the promises given to the fathers,

that I should be a servant of Christ Jesus to the Gentiles, serving as a priest the Good News of God, that the offering up of the Gentiles might be made acceptable, sanctified by the Holy Spirit.

I commend to you Phoebe, our sister, who is a servant of the assembly that is at Cenchreae,