financier

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One that engages in investing or raising large amounts of money.

from The Century Dictionary.

• noun An officer who is intrusted with the control of financial interests; one who regulates or manages the public revenues.
• noun One skilled in financial operations, whether public, corporate, or individual; one who understands money matters.
• noun In France, formerly, a receiver or farmer of the public revenues.
• To conduct financial operations; act as a financier; finance; in a derogatory sense, to engage in financial scheming or irregular pecuniary transactions.
• To act as financier for; manage or contrive ways and means for; finance.

from the GNU version of the Collaborative International Dictionary of English.

• noun One charged with the administration of finance; an officer who administers the public revenue; a treasurer.
• noun One skilled in financial operations; one acquainted with money matters.
• intransitive verb To conduct financial operations.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A person who, as a profession, profits from large financial transactions.
• noun A company that does the same.
• noun A light, spongy teacake, usually based on almond flour or flavoring.
• noun A traditional French (Ragoût a 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb conduct financial operations, often in an unethical manner
• noun a person skilled in large scale financial transactions