1- Mesilas Yesharimm on the relationship between yir’as haromemus and yir’as hacheit (awe of [Hashem’s] Grandeur and fear of sinning), and
2- the difference between yir’as hacheit and yir’as ha’onesh (fear of sin vs fear of punishment.)
3- With that background, we look at the Meshakh Chokhmah. Avraham and Iyov are both called yerei Elokim. But why do Avraham’s compliments stop there, while Iyov is also described as tam, yashar, and sar meira (complete, honest, and avoiding evil)?