belittler

/bɪˈlɪtlər/
noun
  1. A person who makes others or their achievements seem unimportant or worthless.
    • A belittler often feels better by making others feel small.
    • She refused to work with a belittler who never respected her ideas.
    • The bully was a constant belittler, always putting others down.
What does "belittler" mean? | whatsthatwordmean | whatsthatwordmean