financier

Short definition from Wiktionary

Noun

1. 1
   A person who, as a profession, profits from large financial transactions.
2. 2
   A company that does the same.
3. 3
   One charged with the administration of finance; an officer who administers the public revenue; a treasurer.
4. 4
   A light, spongy teacake, usually based on almond flour or flavoring.
5. 5
   A traditional French (Ragoût à la Financière) or Piemontese (Finanziera alla piemontese) rich sauce or ragout, made with coxcomb, wattles, cock's testicles, chicken livers and a variety of other ingredients.

Verb

1. 1
   To carry out financial transactions; to finance something.