Numbers 6:1 - Joseph Benson’s Commentary on the Old and New Testaments

The foregoing law about women, suspected of adultery, is here followed by another relating to the conduct of those who, by a singular course of religious devotion, were desirous to prevent all such sins; namely, by making vows of uncommon purity, and devoting themselves to God in an extraordinary manner. These persons were called Nazarites; that is, persons voluntarily separated from the world, and dedicated to the worship and service of God, with peculiar strictness. With respect to these, God appointed the following rules to be observed.