belittler Synonyms

infantilizer reviler quibbler pyrrhonist pettifogger paynim patronizer niggler maligner knocker irreligionist scolder slanderer squasher nitpicker nagger degrader faultfinder mudslinger muckraker detractor worrier vilifier traducer hypercritic fretter doubter complainant cheapener censurer censor caviller caviler carper blamer backbiter attacker complainer critic debaser disparager disapprover diminisher despiser derogator depreciator deprecator denigrator defamer decrier