Reluctant to draw attention to oneself (8)
I believe the answer is:
retiring
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">reluctant to draw attention to oneself</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for retiring that I've seen before include "Shy, avoiding company" , "Timid" , "Shy - going to bed" , "Like an unassertive person" , "going up the stairs?" .)