Loan shark (6)
I believe the answer is:
usurer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">loan shark</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for usurer that I've seen before include "Lender at an exorbitant rate" , "Grasping money-lender" , "One who charges undue interest" , "Person who charges excessive interest on loan" , "Extortionist" .)