liberator

US /ˈlɪb.ə.reɪ.t̬ɚ/
UK /ˈlɪb.ə.reɪ.t̬ɚ/
1.

救星

someone or something that helps a person or thing be free:

:
•
People came out into the streets to welcome the liberators.
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liberalliberationliberalismliberal arts