User:Pettifogger

From WordNet:

The noun "pettifogger" has 2 senses in WordNet.
1. shyster, pettifogger -- (a person (especially a lawyer or politician) who uses unscrupulous or unethical methods)
2. quibbler, caviller, caviler, pettifogger -- (a disputant who quibbles; someone who raises annoying petty objections)