a person who forms business contacts through informal social meetings
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use networker in a sentence
An inveterate networker, he managed to get Tennessee Williams as the chief signatory on one letter-writing campaign.
Mohammed was an adept and relentless networker with a gift for small talk and instant familiarity.9/11 Mastermind Khalid Sheikh Mohammed Finally on Trial at Guantanamo | Terry McDermott | May 4, 2012 | THE DAILY BEAST
He was also a prolific text messager and social networker who frequented online dating sites under the name 1CountryBoy.