Moses
Numbers 32:6ESV·traditional attribution

But Moses said to the people of Gad and to the people of Reuben, “Shall your brothers go to the war while you sit here?

John Calvin Reformed @genevareformer

6. And Moses said unto the children of Gad. So sharp and severe a reproof shews us the greatness of the wrong: for neither did inconsiderate warmth carry away Moses into such violent anger, nor did he fall into error, so as to deliver his opinion on a point which he did not well understand.

John Gill Reformed Baptist @doctorgill

Wherefore discourage ye the heart of the children of Israel.... Which he suggests it would, should they settle on that side Jordan, since they would lose the assistance of two of their tribes, even two thirds of one of their standards in fighting with their enemies and subduing their land; and besides it might be thought that this request of theirs not only proceeded from...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Moses said unto the children of Gad and to the children of Reuben, Shall your brethren go to war, and shall ye sit here--Their language was ambiguous; and Moses, suspicious that this proposal was an act of unbelief, a scheme of self-policy and indolence to escape the perils of warfare and live in ease and safety, addressed to them a reproachful and passionate remonstrance.