en_obs-tn/content/48/08.md

instead of his son, Isaac

This can also be translated as, "in the place of his son, Isaac" or, "in his son Isaac's place" or, "so that he would not have to offer his son Isaac as a sacrifice."

deserve to die

That is, "should die."

to die in our place

This can also be translated as, "to die in the place of each of us" or, "so that he would not have to kill us."