Moses
Numbers 32:29ESV·traditional attribution

And Moses said to them, “If the people of Gad and the people of Reuben, every man who is armed to battle before the LORD, will pass with you over the Jordan and the land shall be subdued before you, then you shall give them the land of Gilead for a possession.

John Gill Reformed Baptist @doctorgill

And Moses said unto them,.... To Eleazar, Joshua, and the princes of the congregation: if the children of Gad and the children of Reuben will pass with you over Jordan, every man armed to battle before the Lord; as they have promised they will: and the land shall be subdued before you; which must be done before their return: then ye shall give them the...

Keil & Delitzsch Lutheran @keilanddelitzsch

Num 32:28-30 Moses thereupon commanded Eleazar, Joshua, and the heads of the tribes of Israel, i.e., the persons entrusted in Num 34:17. with the division of the land of Canaan, to give the Gadites and Reubenites the land of Gilead for a possession, after the conquest of Canaan, if they should go along with them across the Jordan equipped for battle.

Commenting on Numbers 32:28-30