Moses
Numbers 5:2ESV·traditional attribution

“Command the people of Israel that they put out of the camp everyone who is leprous or has a discharge and everyone who is unclean through contact with the dead.

John Calvin Reformed @genevareformer

2. Command the children of Israel. This passage clearly shews that God, in desiring the lepers to be put out of the camp, was not acting as a physician by any means, and merely consulting the health of the people: but that by this external rite and ceremony He exercised them in the pursuit of purity; for, by joining with the lepers those who had an issue, Seminifiuos — Lat.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A command for the purifying of the camp, by turning out from within its lines all those that were ceremonially unclean, by issues, leprosies, or the touch of dead bodies, until they were cleansed according to the law, Num 5:2, Num 5:3. 1. These orders are executed immediately, Num 5:4.

Commenting on Numbers 5:1-10

John Gill Reformed Baptist @doctorgill

Command the children of Israel,.... Not as from himself, but from the Lord; deliver out the following as a command of his, to which obedience was required of all the children of Israel: that they put out of the camp every leper; there were three camps, Jarchi says, in the time of their encampment; between the curtains was the camp of the Shechinah, or the...