G3008–λειτουργέω–leitourgeō

As they served the Lord and fasted, the Holy Spirit said, "Separate Barnabas and Saul for me, for the work to which I have called them."

λειτουργούντων leitourgountōn “As were ministering”

Yes, it has been their good pleasure, and they are their debtors. For if the Gentiles have been made partakers of their spiritual things, they owe it to them also to serve them in fleshly things.

λειτουργῆσαι leitourgēsai “to minister”

Every priest indeed stands day by day ministering and often offering the same sacrifices, which can never take away sins,

λειτουργῶν leitourgōn “ministering”