Get y'all to fear me is my only job
In this interlude, Jay-Z is saying that people’s fears are like gods to them, and he is trying to get people to fear him instead.
“Fear is your only God" is refrencing rappers in the game. In the game, Jay-Z is their God, and all others don’t count. Just like one should fear the Biblical God, Jay-Z is saying fear him, because he is a God (J-Hova is short for JeHovah, for example). It’s his job as a God to make you fear him.
Worth noting that “fear” means “respect” when used in the Biblical sense.
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