Obsequious person (5)
I believe the answer is:
toady
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">obsequious person</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 toady that I've seen before include "Creep" , "Obsequious person" , "crawler" , "Yes-man" , "Bootlicker" .)