Strong G1398 δουλεύω douleuō · be a slave

Acts

1. Acts 7:7
   And the nation to whom they shall be in bondage will I judge, said God: and after that shall they come forth, and serve me in this place.
2. Acts 20:19
   Serving the Lord with all humility of mind, and with many tears, and temptations, which befell me by the lying in wait of the Jews: