Rise up (5)
I believe the answer is:
rebel
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rise up</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that rise up can be written as rebel)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rebel that I've seen before include "One who opposes the powerful" , "(One who) revolt(s)" , "Rise up (without a cause?)" , "One refusing to conform" , "Bolshy" .)