Union official (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">union official</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 shop steward that I've seen before include "Union official" , "Unionist" , "One who's organizing hands" , "Workers' representative" , "Workplace representative of unionised employees" .)
(Other definitions for convenor that I've seen before include "The one who organises meetings" , "Chair of meeting" , "One who gathers poeple for a meeting" , "The member who calls the meetings" , "One who calls a meeting" .)
(Other definitions for organiser that I've seen before include "bound to keep personal data" , "impresario" , "One who arranges things" , "One managing" , "One in charge" .)