Tzaraas (discussed in Vayikra 13-14) is a human skin disease that renders its victim impure and subjects him to many laws. In a different form, tzaraas can also affect clothing and houses. It is ...
When the Chumash speaks about a kohen's seeing some tzaraas on a person's body for the first time, it says the kohen "shall defile" (Vayikra 13:3, 13:11, 13:20, 13:25, 13:30, 13:44). Rashi (13:3) ...