Broker

an agent who buys or sells for a principal on a commission basis without having title to the property.
a person who functions as an intermediary between two or more parties in negotiating agreements, bargains, or the like.
stockbroker.
to act as a broker for:
to broker the sale of a house.
to act as a broker.
a simple past tense of break.
Nonstandard. a past participle of break.
Archaic. a past participle of break.
without money; penniless.
bankrupt.
Papermaking. paper unfit for sale; paper that is to be repulped.
brokes, wool of poor quality taken from the neck and belly of sheep.
go broke,

to become destitute of money or possessions.
to go bankrupt:
In that business people are forever going broke.

go for broke, to exert oneself or employ one’s resources to the utmost.
Contemporary Examples

Israel Opens Fire on Nakba Day Rioters Dan Ephron May 14, 2011
Egypt Policy Shows How Well Obama Has Managed America’s Decline Peter Beinart July 1, 2012
The Leak of a Mysterious Video Could Change the Outcome of Newark’s Mayor’s Race Charles Upton Sahm May 4, 2014
The Bogus Insider-Trading Case Charlie Gasparino November 21, 2010
The Non-Problem that ObamaCare Didn’t Fix Megan McArdle September 18, 2012

Historical Examples

Halsey & Co. H. K. Shackleford
The Rise of Roscoe Paine Joseph C. Lincoln
Helping Himself Horatio Alger
The Market-Place Harold Frederic
The Financier Theodore Dreiser

noun
an agent who, acting on behalf of a principal, buys or sells goods, securities, etc, in return for a commission: insurance broker
(formerly) short for stockbroker
a dealer in second-hand goods
verb
to act as a broker (in)
verb
the past tense of break
adjective
(informal) having no money; bankrupt
(slang) go for broke, to risk everything in a gambling or other venture
n.
v.
adj.

see:

flat broke
go broke
go for (broke)
if it ain’t broke don’t fix it

also see under:
break