'Useful' in the Bible

Therefore, if anyone cleanses himself from these things, he will be a vessel for honor, sanctified, useful to the Master, prepared for every good work.

Only Luke is with me. Pick up Mark and bring him with you, for he is useful to me for service.

who formerly was useless to you, but now is useful both to you and to me.

For ground that drinks the rain which often falls on it and brings forth vegetation useful to those for whose sake it is also tilled, receives a blessing from God;