IPA: /ˌlɪbərˈtɛəriən/
KK: /lɪbərˈtɛrɪən/
A person who supports the idea of personal freedom and believes that the government should have a very limited role in people's lives.
As a libertarian, she believes in minimal government intervention in personal choices.
Libertarian is formed from "liber" (meaning free) and the suffix "-arian" (meaning one who advocates or supports). The word describes a person who advocates for freedom and individual liberty, particularly in political contexts.
Think of 'liber' meaning free, and remember that a libertarian is someone who supports freedom and individual rights.