All who touch a corpse, the body of a human being who has died, and do not purify themselves defile the tabernacle of the Lord; such persons shall be cut off from Israel. Since water for cleansing was not dashed on them, they remain unclean; their uncleanness is still on them.
“Command the Israelites to put out of the camp everyone who has a defiling skin disease or a discharge and everyone who is unclean through contact with a corpse;
“If someone suddenly dies nearby, defiling the head of the nazirite, then they shall shave the head on the day of their cleansing; on the seventh day they shall shave it.
Now there were certain people who were unclean through touching a corpse, so that they could not keep the Passover on that day. They came before Moses and Aaron on that day