Read Deuteronomy 2:4 Using Other Translations
And command thou the people, saying, Ye are to pass through the coast of your brethren the children of Esau, which dwell in Seir; and they shall be afraid of you: take ye good heed unto yourselves therefore:
and command the people, "You are about to pass through the territory of your brothers, the people of Esau, who live in Seir; and they will be afraid of you. So be very careful.
Give these orders to the people: “You will pass through the country belonging to your relatives the Edomites, the descendants of Esau, who live in Seir. The Edomites will feel threatened, so be careful.