[1] : WordNet (r) 2.0

gatekeeper
     n 1: someone who controls access to something; "there are too
          many gatekepers between the field officers and the
          chief"
     2: someone who guards an entrance syn: doorkeeper, doorman,
         door guard, hall porter, porter, ostiary
see also:
doorkeeper doorman door guard hall porter porter ostiary 

Gatekeeper >> G Words
Gatekeeper, definition of term: Gatekeeper
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