If any man die very suddenly by him. עָלָיו, in his presence, or neighbourhood, so that, having hastened to his assistance, lie found himself in contact with a corpse. This ease is mentioned particularly, because it was the only one in which simple humanity or mere accident would be likely to infringe upon the vow.
In the day of his cleansing, on the seventh day. This appears to be an anticipation of the law given below (Numbers 19:11); but that law may have only sanctioned the existing custom. Shall he shave it.
Because "the consecration of his God upon his head" was desecrated by the pollution of death, it must, therefore, be made away with and begun over again.