- shyster, pettifogger - a person (especially a lawyer or politician) who uses unscrupulous or unethical methods
--1 is a kind of wrongdoer, offender
- quibbler, caviller, caviler, pettifogger - a disputant who quibbles; someone who raises annoying petty objections
--2 is a kind of disputant, controversialist, eristic
Derived form: verb pettifog1