Sounds like Jim Jones without the Kool-Aid.
From what I've heard, Before heading off to start Jonestown, Jim Jones did do some social assistance type stuff in SF. This would have been, I guess, in the early and/or mid 70s, before I moved from Phoenix to Silicon Valley.
Cecil Williams preached all the radical stuff - race-victimology, anti-American, yada, yada, yada - but unlike, e.g., Jesse or Sharp Al, Williams did try to aid people with food and necessaries. His activities might actually have been more helpful than government programs by actually dealing with individuals as individuals.
I'm not anything like a fan, but I do try to be realistic.