Moses
Genesis 32:6ESV·traditional attribution

And the messengers returned to Jacob, saying, “We came to your brother Esau, and he is coming to meet you, and there are four hundred men with him.”

John Calvin Reformed @genevareformer

6. And the messengers returned. Esau advances to meet his brother with a feeling of benevolence: but Jacob, reflecting on his cruel ferocity, inflated spirits, and savage threats, expects no humanity from him. And the Lord willed that the mind of his servant should be oppressed by this anxiety for a time, although without any real cause, in order the more to excite the fervor of his prayer.

Matthew Henry Presbyterian @wholebiblehenry

Now that Jacob was re-entering Canaan God, by the vision of angels, reminded him of the friends he had when he left it, and thence he takes occasion to remind himself of the enemies he had, particularly Esau. It is probable that Rebekah had sent him word of Esau's settlement in Seir, and of the continuance of his enmity to him. What shall poor Jacob do?

Commenting on Genesis 32:3-8

John Gill Reformed Baptist @doctorgill

And the messengers returned to Jacob,.... After they had delivered their message, with the answer they brought back: saying, we came to thy brother Esau; which, though not expressed, is implied in these words, and is still more manifest by what follows: and also he cometh to meet thee; and pay a friendly visit, as they supposed: and four hundred men with him; partly to...