remembrancer

noun4

1. •
   A person who reminds someone.

   • I wonder, Dick, you did not put me in mind of sending for my own mattresses - But, if I had not been an ass, I should not have needed a remembrancer. — 1771
2. •
   A memento or souvenir.

   • Near a fortnight had passed before I attempted to restrain their affliction; for premature consolation is but the remembrancer of sorrow. — 1766
3. •
   An officer of exchequer.
4. •
   A recorder, or municipal judge.

noun2

1. •
   (UK) Any of several former officials in the Court of Exchequer.
2. •
   (UK) A similar official of the City of London Corporation.

   • In particular, Harkaway told him about the unelected offices of the Lord Mayor and the City Remembrancer, who can be mistaken for figureheads but, in fact, have extensive powers. — 2014