Then I paint on my picture like I'm a hoodlum Evangelist

from Funk Volume (Ft. Hopsin & SwizZz) – California Lyrics on Rap Genius

Meaning

He is talking about going around portraying his own self-image as the “evangelist” which is virtually the same thing as “the coming of God (whichever God you believe & are awaiting his coming). And he goes around to his hoodlum peers and makes an attempt to try and get through to them and give them a chance to follow Hopsin in to the right path.

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