Definition of "rebel"

rebel¹

/ˈɹɛbəl/

noun
plural rebels
1. A person who resists an established authority, often violently.
2. (US, historical) Synonym of Confederate: a citizen of the Confederate States of America, especially a Confederate soldier.

rebel²

/ɹɪˈbɛl/

verb
third-person singular simple present rebels, present participle rebelling, simple past and past participle rebelled
1. (intransitive) To resist or become defiant toward an authority.
  Quotations
  "Tedd's feeling a bit rebellious." "I'm not rebelling! I'm self actualizing! By rebelling."
  2014 April 17, Dan Shive, El Goonish Shive (webcomic), Comic for Thursday, Apr 17, 2014