Niggard (5)
I believe the answer is:
miser
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">niggard</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for miser that I've seen before include "auger" , "Stingy hoarder" , "Money-grubber" , "Pinchpenny" , "Person who hoards money" .)