If any person sits on anything that the person with the discharge sat on, then he must wash his clothes and bathe in water. He will be unclean until evening.
“If the person with a discharge [238] spits on a clean person, then the clean person must wash his clothes and bathe in water. This person will be unclean [239] until evening.
He can become unclean if he touches any unclean crawling animals. And he can become unclean if he touches an unclean person. It does not matter what made that person unclean.