Luke 10:1-8

After these things the Lord chose seventy others also, and sent them out two by two before His face, into every place and city, where He was about to come.

1 Thessalonians 5:12-13

But we intreat you, brethren, to know those who are laboring among you, and standing before you in the Lord, and admonishing you;

Treasury of Scripture Knowledge

Summary

Even of the children of Israel's half, Moses took one portion of fifty, both of man and of beast, and gave them unto the Levites, which kept the charge of the tabernacle of the LORD; as the LORD commanded Moses.

Bible References

The levites

Luke 10:1
After these things the Lord chose seventy others also, and sent them out two by two before His face, into every place and city, where He was about to come.
1 Thessalonians 5:12
But we intreat you, brethren, to know those who are laboring among you, and standing before you in the Lord, and admonishing you;