renegade
noun
[ ˈrɛnɪɡeɪd ]
• a person who deserts and betrays an organization, country, or set of principles.
• "an agent who later turns out to be a renegade"
Similar:
traitor,
defector,
deserter,
turncoat,
betrayer,
rebel,
mutineer,
quisling,
fifth columnist,
renegado,
tergiversator,
renegade
adjective
• having treacherously changed allegiance.
• "a renegade bodyguard"
renegade
verb
• become a renegade.
• "Johnson had renegaded from the Confederacy"
Origin:
late 15th century: from Spanish renegado, from medieval Latin renegatus ‘renounced’, past participle (used as a noun) of renegare, from re- (expressing intensive force) + Latin negare ‘deny’.