Pit worker (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pit worker</span>' is the definition.<br/ ><span class="explanation-format__explanation">(miners work down pits)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for miner that I've seen before include "it's the pits, for me" , "Worker below ground" , "Digger for gold or coal, say" , "Bevin boy" , "Underground worker" .)
(Other definitions for collier that I've seen before include "Miner; coal ship" , "Ship carrying coal" , "unable to avoid contact with mine" , "Geordie Jack, commonly" , "Painter" .)