Insurgent (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">insurgent</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rebel that I've seen before include "One resisting authority" , "Refuse orders" , "One who opposes the powerful" , "Mutineer, one who opposes authority" , "Rise up - dissent" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">insurgent</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rioter that I've seen before include "He is taking part in a public affray" , "Or tire (anag.)" , "He's running amok in the street" , "Violent and wild protester" , "One involved in civil unrest" .)