We are here moving in a realm of ideas prevailing in ancient Israel respecting holiness, uncleanness and sin, which are ceremonial and not ethical; see especially Robertson Smith's Religion of the Semites, 2nd ed., p. 446 foll.
(additional note B.) on holiness, uncleanness and taboo.
In the sacrificial system of sin-offerings (Jhattath and'asham) we have to do with sin as ceremonial violation and neglect (frequently involuntary), or violation of holiness in the old sense of the term or as personal uncleanness (touching a corpse, eating unclean food, sexual impurity, &c.).
14 seq.), sorcery, uncleanness, falsehood and oppression rampant (iii.
But, as Robertson Smith observes, "holiness is contagious, just as uncleanness is"; and common things and persons may become taboo, that is, so holy as to be dangerous and useless for daily life through the mere infection of holiness.