σπουδαῖος G4705
spoudaîos · spoo-dah'-yos · Adjective
from σπουδή; prompt, energetic, earnest:--diligent.
1 Occurrence in the King James Bible
2 Corinthians 8:22And we have sent with them our brother, whom we have oftentimes proved diligent in many things, but now much more diligent, upon the great confidence which I have in you.