One who advances money (6)
I believe the answer is:
lender
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">one who advances money</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 lender that I've seen before include "One who advances money" , "Bank or building society" , "He makes a loan" , "One making advances" , "Provider of a loan" .)