Definitions by Ann Myers

Wiktionary 

A place where anything you say can and will be used against you. An organization based on ostracism.

I was ostracized from the Wiktionary.
The Wiktionary is a social club with a dark side.
I escaped the Wiktionary just in time.

Wiktionary by Ann Myers July 30, 2008

ostracist 

Anyone who calls another person a troll.

Joe only called John an ostracist after John labeled him a troll.
Don't join that club unless you want to become an ostracist.
Don would probably make a good bouncer since he likes being an ostracist.

ostracist by Ann Myers July 30, 2008

Internet troll 

A system administrator who trolls user accounts looking for personal information.

I am not going to open an account there because I know it is administered by Internet trolls.

Internet troll by Ann Myers May 13, 2006

sysbot 

A system administrator who treats users in the same manner as would a bot.

I misspelled a word in my post to the wiki and the sysbot blocked my access on the grounds that I had intentionally and maliciously misspelled the word with no possibility of reconciliation or appeal.

sysbot by Ann Myers May 13, 2006