Boadicea's people (5)
I believe the answer is:
iceni
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">boadicea's people</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for iceni that I've seen before include "Ancient tribesmen" , "Boudica's tribe" , "Old warriors" , "Boadicea's tribe" , "people rebelling against Rome" .)