Azazel

And casting lots upon them both, one to be offered to the Lord, and the other to be the emissary goat:

But that whose lot was to be the emissary goat, he shall present before the Lord, that he may pour prayers upon him, and let him go into the wilderness.

But he that hath let go the emissary goat, shall wash his clothes, and his body with water, and so shall enter into the camp.