13 If they fail to purify themselves after touching a human corpse, they defile the LORD’s tabernacle. They must be cut off from Israel. Because the water of cleansing has not been sprinkled on them, they are unclean; their uncleanness remains on them.

Read Numbers 19:13 Using Other Translations

Whosoever toucheth the dead body of any man that is dead, and purifieth not himself, defileth the tabernacle of the LORD; and that soul shall be cut off from Israel: because the water of separation was not sprinkled upon him, he shall be unclean; his uncleanness is yet upon him.
Whoever touches a dead person, the body of anyone who has died, and does not cleanse himself, defiles the tabernacle of the LORD, and that person shall be cut off from Israel; because the water for impurity was not thrown on him, he shall be unclean. His uncleanness is still on him.
All those who touch a dead body and do not purify themselves in the proper way defile the LORD ’s Tabernacle, and they will be cut off from the community of Israel. Since the water of purification was not sprinkled on them, their defilement continues.