Some of them work FOR liberal nonprofits.
Antifa activist facing assault charges was tied to Democratic policymakers
As the payday campaign manager for the liberal group Americans for Financial Reform, Alcoff participated in congressional Democratic press conferences ....
https://www.foxnews.com/politics/antifa-activist-facing-assault-charges-was-tied-to-democratic-policymakers
Some, but the people on the streets are often from an agency. They often don’t have the dedication that the true believers have. E.g., they laugh when you make fun of the nonprofit.