liberatress

English

Etymology

From liberator +‎ -ess.

Noun

liberatress (plural liberatresses)

(rare, dated) A female liberator.
- 1848 November – 1850 December, William Makepeace Thackeray, The History of Pendennis. […], volume (please specify |volume=I or II), London: Bradbury and Evans, […], published 1849–1850, →OCLC:
  he had run over to Laura, his liberatress, to thank her for his recovered freedom