Sforno on Genesis 32:19/ספורנו על בראשית ל״ב:י״ט

1ואמרת: "לעבדך ליעקב". He instructed his shepherds not to give the impression that they knew Esau was on the way in their direction and that they had been sent to him. The phrasing Yaakov instructed his messengers to use was meant to give the impression that Yaakov had no knowledge that Esau was marching toward him with hostile intentions. The messenger should give the impression that he had been sent by Yaakov to Seir where Esau lived, with a gift for him.