What would liberalism look like if we reimagined it from these foundations? Suspicion of inequality and concentrated power, egalitarianism, labor orientation, feminism, social justice, thick conceptions of flourishing, non-ideality, political practice-orientation. These ideas are all there.
What described is beyond liberalism? And what would you call Douglass instead? He favored constitutional, representative government with universal suffrage, had a generally pro-liberty disposition, and a progressive, melioristic worldview. "It Moves" is a good speech to read for his liberal ideas.