Niggler and Vilifier

Niggler noun - A person given to harsh judgments and to finding faults.

Vilifier and niggler are semantically related in critic topic. In some cases you can use "Vilifier" instead a noun "Niggler".

Vilifier noun - One who attacks the reputation of another by slander or libel.

Niggler and vilifier are semantically related in critic topic. Sometimes you can use "Niggler" instead a noun "Vilifier".