"Now, if a resident alien lives with you, or whoever else is with you throughout your generations, let him make an offering made by fire, a pleasing aroma to the LORD. Just as you do, so is he to do.

or anything else that can survive a refiner's fire: You are to pass it through fire, after which it will be clean. Then it is to be purified with the water of impurity. Everything that cannot survive a refiner's fire is to be washed in water.