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1.
A person who is a "go between" for someone who does not have a Facebook account, but still wants to know what is going on in the world of Facebook.

The Fambassidor will sometimes just tell them what is going on (read status updates and such aloud to them), but often will log onto their own account, step aside, and let the non-Facebook person snoop around.
Girl 1: "You hear what Chris is doing today?"
Girl 2: "I did! He's a nut case."
Girl 1: "How'd you know? He updated his status and then took off immediately. You're not on Facebook."
Girl 2: "I know...got a Fambassidor. She keeps me in the loop."
by citiz3n February 15, 2010