broker
US /ˈbroʊ.kɚ/
UK /ˈbroʊ.kɚ/

1.
a person who buys and sells goods or assets for others
:
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She works as a stock broker.
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The real estate broker helped us find a new home.
1.
to arrange or negotiate (a settlement, deal, or plan)
:
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The diplomat managed to broker a peace deal between the warring factions.
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The company aims to broker a new partnership with a tech giant.