Moses
Numbers 25:1ESV·traditional attribution

While Israel lived in Shittim, the people began to whore with the daughters of Moab.

John Calvin Reformed @genevareformer

1 And Israel abode in Shittim. From this narrative we learn assuredly that the people were no more able to bear prosperity than adversity. Heretofore, either worn out by fatigue, or rendered impatient by abstinence and famine, they had often rebelled against God; now, when they have entered a habitable land, and are resting in the midst of fruitful fields, they are incited by their...

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The sin of Israel, to which they were enticed by the daughters of Moab and Midian; they were guilty both of corporal and spiritual whoredoms, for Israel joined himself unto Baal-peor, Num 25:3. Not all, nor the most, but very many, were taken in this snare. Now concerning this observe, 1.

Commenting on Numbers 25:1-5

John Gill Reformed Baptist @doctorgill

And Israel abode in Shittim,.... A place in the plains of Moab, so called from the shittim wood, which grew here in great abundance, so often mentioned in the building of the tabernacle; which was a sort of white thorn, or rather the acacia tree, since there was scarcely any thing else grew in the deserts of Arabia; see Gill on Exo 25:5 its full...