small fry(He may be the big man back home, but he's a small fry here. • He claimed that 95 per cent of the force was corrupt and said he was only 'a small fry compared with what my fellow officers were taking. • He is only a small fry, there's no need to bother with him. • The prosecution did not go after the alleged big operator behind the crime, instead targeting a small fry while allowing the big sharks to escape.)
bottom-feeder(- Do you know either of the assailants? – No. Why would we? – Well, they're former navy petty officers, dishonorably discharged. They're just a couple bottom-feeders probably looking to make a quick score off a person of noteTaras)