Spadeologist 

One that does not give respect when playing SPADES. To dominate, disrespect, and devour your opponent

SunKisstGem claims to be a Spadeologist, but that remains to be seen.

Spadeologist by Wayne Hightower July 4, 2007

spiderologist

One who studies spiders.

Q, a spiderologist has some spider eggs.

spiderologist by nobody27330 July 7, 2021

spamologist 

someone primarily interested in the technical aspects of spam and spamming, usually with a view to stopping it.

Dick kept getting the same spam so asked a spamologist for help.

spamologist by Barry Hueder October 21, 2010