'Burden' in the Bible

They were also over the burden bearers, and supervised all the workmen from job to job; and some of the Levites were scribes and officials and gatekeepers.

He also said to the Levites who taught all Israel and who were holy to the Lord, “Put the holy ark in the house which Solomon the son of David king of Israel built; it will be a burden on your shoulders no longer. Now serve the Lord your God and His people Israel.