insurgent

noun
UK /ɪnˈsɜː.dʒənt/
US /ɪnˈsɝː.dʒənt/

A person who fights against the people in charge.

The soldiers tried to stop the insurgents from taking over the town.


OTHER MEANINGS

2. A person who strongly disagrees with a group or organization.

She was an insurgent within her own party, always challenging the leaders.

3. Rising up against authority or control.

The insurgent forces gathered at the edge of the city.

4. A member of a group that uses force to change a government.

The government held talks with the insurgents to end the fighting.