were over the laborers and supervised all who did the work, task by task. Some of the Levites were secretaries, officers, and gatekeepers.
Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 34:13 >Also they were over the bearers of burdens, and presided over all that did the work in every manner of service; and of the Levites there were scribes, and officers, and porters.