insurgent
Concise Oxford English Dictionary © 2008 Oxford University Press:
insurgent /ɪnˈsəːdʒ(ə)nt/
▶noun a rebel or revolutionary. ▶adjective rising in active revolt.
– derivatives
insurgence noun,
insurgency noun (pl. insurgencies).
insurgence noun,
insurgency noun (pl. insurgencies).
– origin C18: via Fr. from L. insurgent-, insurgere ‘arise’.
'insurgent' also found in these Oxford entries:

