How long shall they kill our prophets
While we stand aside and look?

from Bob Marley – Redemption Song Lyrics on Rap Genius

Meaning

People like Jesus, Martin Luther King, Malcom X, and Medgar Evers are “prophets” of the colored races. The white man killed them and Bob Marley wants to know why we just stand and look.

He’s specifically talking about Marcus Garvey; he was a prophet of all and started the Rastafarian religion. The people knew Garvey was speaking the truth but sold him out and he was ultimately killed.

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