Moses
Genesis 19:22BSB·traditional attribution

Hurry! Run there quickly, for I cannot do anything until you reach it.” That is why the town was called Zoar.

John Calvin Reformed @genevareformer

22. I cannot do any thing . Since the angel had not only been sent as an avenger to destroy Sodom, but also had received a command for the preservation of Lot; he therefore declares, that he will not do the former act, unless this latter be joined with it; because it is not at the option of the servant to divide those things which God has joined together.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The rescue of Lot out of Sodom. Thought there were not ten righteous men in Sodom, for whose sakes it might be spared, yet that one righteous man that was among them delivered his own soul, Eze 14:14. Early in the morning his own guests, in kindness to him, turned him out of doors, and his family with him, Gen 19:15.

Commenting on Genesis 19:15-23

John Gill Reformed Baptist @doctorgill

Haste thee, escape thither,.... Seeing he had granted him his request, he is urgent upon him to be gone, and not to delay upon any account, or make other excuses: for I cannot do anything till thou be come thither; that is, consistent with the decree of God, that Lot and his family should be delivered and preserved, and with his promise made to him...