en_tn_lite_do_not_use/oba/01/06.md

How Esau had been ransacked, his hidden treasures looted

This can be stated in active form. Alternate translation: "Ah, enemies had ransacked Esau; they have looted his hidden treasures" (See: rc://en/ta/man/translate/figs-activepassive)

Esau

The people of Edom were the descendants of Esau. Therefore, in this book "Edom" and "Esau" refer to the same group of people.

had been ransacked

This means the enemies had searched through Esau's things, taken everything valuable, and left everything else in a mess or damaged.