Read Job 16:4 Using Other Translations
I also could speak as ye do: if your soul were in my soul's stead, I could heap up words against you, and shake mine head at you.
I also could speak as you do, if you were in my place; I could join words together against you and shake my head at you.
I could say the same things if you were in my place. I could spout off criticism and shake my head at you.