Strong G1398 δουλεύω douleuō · be a slave

Galatians

1. Galatians 4:8
   Howbeit then, when ye knew not God, ye did service unto them which by nature are no gods.
2. Galatians 4:9
   But now, after that ye have known God, or rather are known of God, how turn ye again to the weak and beggarly elements, whereunto ye desire again to be in bondage?
3. Galatians 4:25
   For this Agar is mount Sinai in Arabia, and answereth to Jerusalem which now is, and is in bondage with her children.
4. Galatians 5:13
   For, brethren, ye have been called unto liberty; only use not liberty for an occasion to the flesh, but by love serve one another.