a person who fights against the government, leaders, or rules
The young rebel led the protest down the crowded main street.
History books describe Joan of Arc as a brave rebel who challenged powerful armies.
✦ Late Middle English, from Old French "rebelle", from Latin "rebellis" meaning ‘warring again’.
to refuse to obey authority, rules, or control
Teenagers often rebel against strict curfews.
The colony decided to rebel when unfair taxes were imposed.
✦ From Old French "rebeller" ‘to war again’, based on Latin "rebellare".