Luke 10:1-8

After that the Lord commissioned other seventy disciples, sending them in front of him two by two to every town and place that he intended to visit himself.

1 Thessalonians 5:12-13

Brothers, we beg you to respect those who are working among you, presiding over you in the Lord and maintaining discipline;

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 that the Lord commissioned other seventy disciples, sending them in front of him two by two to every town and place that he intended to visit himself.
1 Thessalonians 5:12
Brothers, we beg you to respect those who are working among you, presiding over you in the Lord and maintaining discipline;