Prisoner of conscious, nonsense

from Talib Kweli (Ft. Melanie Fiona) – Ready Set Go Lyrics on Rap Genius

Meaning

He as an artist has often been perceived as someone who only talks about topic of political or social matter, making him a prisoner of cosncious(ness).
This term is, in a slightly different way, used by a human rights organisation to describe individuals who are imprisoned because of their race, religion, or political view.
An extremely ridiculous example:

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