27 Across: Backhanders part of this player's service? (9) S _ * _ * _ E _ R
23 Down: The pen of Zeus? (4) _ E _ *
24 Down: She's between borrower and lender (4) _ O _ *
(The asterisks mark the points of intersection, in case that's not totally obvious.)
That would blow 'Scrivener' out of the water which, given the 'E' conflict sounds reasonable.
    |     | L |     | N |     |     |     |     |
  |   | E |   | O |   |   |   |   |
  |   | D |   | R |   |   |   |   |
S | H | A | M | A | T | E | U | R |
  |   |   |   |   |   |   |   |   |
  |   |   |   |   |   |   |   |   |
  |   |   |   |   |   |   |   |   |
Got the beggars - I think. ... :-/