The unclean person — Not he who is so only by touching the water of separation, Numbers 19:21, but he who is so by the greater sort of uncleanness, which lasted seven days, and which was not removed without the use of this water of purification.
Related Commentaries of Numbers 19:22
Numbers 19:22
22 And whatsoever the unclean person toucheth shall be unclean; and the soul that toucheth it shall be unclean until even.