[Big Papa Goat]

Prophet is a pretty silly word to use. I mean, when was the last time the word prophet was ever used to describe someone in a non-metaphorical, non-analogical way? The fact that we're talking about 'street-prophet' to describe someone that did basically all his work on the stage strikes me as one reason the word doesn't really apply.

I think you may as well say that he was a comedian that was more like a social critic than most other comedians.