American Fur Company founder (5)
I believe the answer is:
astor
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">american fur company founder</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for astor that I've seen before include "Nancy --, one-time MP" , "female parliamentarian" , "See 2" , "First woman to sit in the House of Commons, d. 1964" , "First female MP" .)