Romans 13:4; Romans 15:8; Romans 16:1; Romans 16:27

4 For he is God's servant to do you good. But if you do wrong, be afraid, for he does not bear the sword for nothing. He is God's servant, an agent of wrath to bring punishment on the wrongdoer.
8 For I tell you that Christ has become a servant of the Jews on behalf of God's truth, to confirm the promises made to the patriarchs
1 I commend to you our sister Phoebe, a servant of the church in Cenchrea.
27 to the only wise God be glory forever through Jesus Christ! Amen.