Camisard
Concise Oxford English Dictionary © 2008 Oxford University Press:
Camisard /ˈkamɪsɑː, ˌkamɪˈsɑː/
▶noun a member of the French Protestant insurgents who rebelled against the persecution that followed the revocation of the Edict of Nantes.
– origin Fr., from Provençal camisa, from late L. camisia ‘shirt’, because of the Camisards' white shirts.
'Camisard' also found in these Oxford entries:

