Moses
Deuteronomy 26:5BSB·traditional attribution

and you are to declare before the LORD your God, “My father was a wandering Aramean, and he went down to Egypt few in number and lived there and became a great nation, mighty and numerous.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A good work ordered to be done, and that is the presenting of a basket of their first-fruits to God every year, Deu 26:1, Deu 26:2. Besides the sheaf of first-fruits, which was offered for the whole land, on the morrow after the passover (Lev 23:10), every man was to bring for himself a basket of first-fruits at the feast of pentecost...

Commenting on Deuteronomy 26:1-11

John Gill Reformed Baptist @doctorgill

And thou shalt speak and say before the Lord thy God,.... Speak with a loud voice, lifting up the voice, as Jarchi interprets it; or "answer" (e), to the question the priest will ask, saying, what is this thou hast brought?

Jamieson-Fausset-Brown Reformed @jfbcommentary

thou shalt say . . . A Syrian ready to perish was my father--rather, "a wandering Syrian." The ancestors of the Hebrews were nomad shepherds, either Syrians by birth as Abraham, or by long residence as Jacob. When they were established as a nation in the possession of the promised land, they were indebted to God's unmerited goodness for their distinguished privileges, and in token...