1) Inferior lawyer 2) Offender 3) One who quibbles 4) One who quibbles over trifles 5) Picayune lawyer 6) Shady lawyer 7) Shyster 8) Wrongdoer Found on https://www.crosswordclues.com/clue/pettifogger
Pet'ti·fog`ger noun A lawyer who deals in petty cases; an attorney whose methods are mean and tricky; an inferior lawyer. « A pettifogger was lord chancellor.» Macaulay. Found on http://www.encyclo.co.uk/webster/P/67