Job 42:8

Therefore take unto you now seven bullocks and seven rams, Cf Numbers 23:1, and go to My servant Job, who was to act in the capacity of priest, and offer up for yourselves a burnt offering, to make an atonement for themselves; and My servant Job shall pray for you, acting as mediator in their behalf, interceding for them; for him will I accept, regarding him favorably, lest I deal with you after your folly, visiting the penalty of their foolishness upon them, in that ye have not spoken of Me the thing which is right like My servant Job.