'Sell' in the Bible

Give me the cave of Machpelah that belongs to him, at the end of his field. He should sell it to me in your presence at full price for a burial site."

But Jacob responded, "Sell me your birthright. Do it now."

Come on! Let's sell him to the Ishmaelites! That way, we won't have laid our hands on him. After all, he's our brother, our own flesh."

However, he did not purchase land belonging to the priests, because the priests held an allotment, previously provided to them by Pharaoh, from which they lived. That's why they did not sell their land.