Worker in stone (5)
I believe the answer is:
mason
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">worker in stone</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mason that I've seen before include "A skilled worker in stone" , "One is skilful with stone" , "figure in lodge" , "Builder in stone" , "One going to work in building" .)