IPA: /ˌlɪbəˈreɪʃənɪst/
KK: /lɪbəˈreɪʃənɪst/
A person who supports or fights for freedom and the rights of others.
The liberationist spoke passionately about the need for social justice.
Liberationist → It is formed from "liberare" (meaning to free) and the suffix "-ist" (meaning one who practices or advocates). A liberationist is someone who advocates for freedom or the act of freeing others.
Think of someone who is an advocate for 'freedom' ('liberare') — that's what a liberationist does.