33 then the man or woman must shave themselves, except for the affected area, and the priest is to keep them isolated another seven days.

Read Leviticus 13:33 Using Other Translations

He shall be shaven, but the scall shall he not shave; and the priest shall shut up him that hath the scall seven days more:
then he shall shave himself, but the itch he shall not shave; and the priest shall shut up the person with the itching disease for another seven days.
the person must shave off all hair except the hair on the affected area. Then the priest must quarantine the person for another seven days.