A person who you hire to buy stock for you on the stock exchange is an example of a broker.
Broker an agreement among opposing factions.
If you act as a middleman between people selling a property and people buying a property, this is an example of when you broker the deal.
Origin of broker
- Middle English from Anglo-Norman brocour, abrocour Spanish alboroque ceremonial gift at conclusion of business deal from Arabic al-barka the blessing colloquial variant of al-baraka al- the baraka blessing, divine favor (from bāraka to bless brk in Semitic roots)
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle English broker, brokour, brocour, from Anglo-Norman brocour (“small trader”) (compare also abroker (“to act as a broker”)), from Old Dutch *brokere (“one who determines the usages of trade, manager”), from broke, bruyck, breuck (“use, usage, trade”), from Proto-Germanic *brūkiz (“use, custom”), from Proto-Indo-European *bhrug- (“to use, enjoy”), equivalent to brook + -er. Cognate with Middle Low German brukere (“a broker”), Eastern Frisian broker (“a broker”), Danish bruger (“a broker, user, handler”), Swedish bruk (“use, custom, trade, business”), Old English broc (“use, profit, advantage, foredeal”). Compare also French brocanter (“to deal in second-hand goods”) from the same Germanic source. More at brook.
- From broke + -er.