G2173–εὔχρηστος–euchrēstos

If therefore a man keeps himself clear of these latter, he himself will be for specially honourable use, consecrated, fit for the Master's service, and fully equipped for every good work.

εὔχρηστον euchrēston “useful”

Luke is the only friend I now have with me. Call for Mark on your way and bring him with you, for he is a great help to me in my ministry.

εὔχρηστος euchrēstos “useful”

Formerly he was useless to you, but now--true to his name--he is of great use to you and to me.

εὔχρηστον, euchrēston “useful,”