Moses
Exodus 3:11BSB·traditional attribution

But Moses asked God, “Who am I, that I should go to Pharaoh and bring the Israelites out of Egypt?”

John Calvin Reformed @genevareformer

11. Who am I? He cannot yet be accused of disobedience, because, conscious of his own weakness, he answers that he is not sufficient for it, and therefore refuses the commission. His comparison of himself with Pharaoh was an additional pretext for declining it.

Matthew Henry Presbyterian @wholebiblehenry

God, having spoken to Moses, allows him also a liberty of speech, which he here improves; and, I. He objects his own insufficiency for the service he was called to (Exo 3:11): Who am I? He thinks himself unworthy of the honour, and not par negotio - equal to the task.

Commenting on Exodus 3:11-15

John Gill Reformed Baptist @doctorgill

And Moses said unto God, who am I, that I should go unto Pharaoh,.... A private person, an exile in a foreign country, a poor shepherd, unknown to Pharaoh, and had no interest in him; and he a great king, and possessed of numerous forces to defend his country, and prevent the Israelites' departure out of it: time was when he was known to a...