John Stuart Mill
The harm principle is the coercion gate; grounds the epistemic axis (annotate-not-censor) and the meaning axis; the permanent critic installed against a benevolent value-sensor.
Edition read. On Liberty, read line-by-line.
What we took
The deepest liberal ancestor, on four pillars. The harm principle is Axiacracy's coercion gate verbatim, power over the unwilling only to prevent harm to others. Fallibilism and annotate-not-censor ground the epistemic axis; individuality and "experiments of living" ground the meaning axis and the unsteered zone; and the tyranny-of-the-majority argument grounds the per-cohort, non-votable floors.
Where we diverge, and how we answer
The one live tension: capability floors sit against Mill's absolute bar on coercion "for his own good." It is resolved by grounding the floors on his own participation/maturity and positive-duty exceptions, they constitute the rights-bearing frame, never on beneficence, and by holding them inalienable and provisioning-not-tutoring.
The net position
The principal liberal ancestor and the permanent Devil's Advocate installed against the doctrine's own epistemic and meaning axes, because a benevolent value-sensor is the most dangerous censor.
Every position is read at the source. See the whole register on Lineage & Critique · The System.