'Priests' in the Bible

"The Lord who rules over all says, 'Ask the priests about the law.

If someone carries holy meat in a fold of his garment and that fold touches bread, a boiled dish, wine, olive oil, or any other food, will that item become holy?'" The priests answered, "It will not."

Then Haggai asked, "If a person who is ritually unclean because of touching a dead body comes in contact with one of these items, will it become unclean?" The priests answered, "It will be unclean."