animadverter
/ˌanɪmadˈvəːtə/ /ˌanɪmədˈvəːtə/Now archaic and rare
noun
A person who animadverts; a censurer, fault-finder; an unfavourable critic or commentator.
Origin
Mid 17th century; earliest use found in John Milton (1608–1674), poet and polemicist. From animadvert + -er.