renegade
1. [ noun ] someone who rebels and becomes and outlaw
Synonyms: turncoat
Related terms: deserter rebel
2. [ verb ] break with established customs
Synonyms: rebel
Related terms: protest
3. [ adjective ] having deserted a cause or principle
Synonyms: recreant
Examples:

"some provinces had proved recreant" "renegade supporters of the usurper"

Related terms: disloyal
4. [ noun ] a disloyal person who forsakes his cause or religion or political party or friend etc.
Synonyms: apostate recreant ratter turncoat deserter
Related terms: quitter abandon denounce rat apostatize
Similar spelling:   remicade