Moses
Numbers 5:5ESV·traditional attribution

And the LORD spoke to Moses, saying,

John Calvin Reformed @genevareformer

5. And the Lord spoke unto Moses. Although at the outset He seems to include all trespasses, yet we gather from the context that the precept only refers to things stolen or fraudulently withheld, that he, who is conscious of his guilt, should make reparation.

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

And the Lord spake unto Moses,.... Or continued to speak to him at the same time: saying; as follows.