Liberator

n.resilient, kindformal

What it means

A person who plays a decisive part in freeing others from oppression or confinement.

Reach for it when honoring a genuine agent of freedom where the historical claim is supportable

The memorial names every liberator who helped the prisoners reach safety.

warm
champion
public advocacy for others' rights is the safer claim
not when A champion may support freedom without directly liberating anyone.
warm
rescuer
saving people from immediate danger is the established act
not when A rescuer may remove danger without securing lasting freedom.
professional
freedom fighter
armed or organized resistance against oppression is meant
not when The label is politically contested; use a neutral role title when agreement is absent.
formal
abolitionist
organized opposition to slavery or another institution is exact
not when Abolitionist describes a cause and not necessarily a successful liberator.
formal
emancipator
the person ended legal or institutional bondage
not when Emancipator is historically specific and unsuitable for modest assistance.
literary
deliverer
elevated or religious language for rescue fits
not when Deliverer can imply a savior and exaggerate shared collective action.

celebrated liberator
The celebrated liberator credited the victory to ordinary citizens.
regarded as a liberator
Many residents regarded her as a liberator after the prisons opened.
liberator of prisoners
The liberator of prisoners refused any personal reward.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.