Definition of protestator in English:

protestator

noun

rare
  • A person who protests; specifically = "protester".

Origin

Late Middle English; earliest use found in Burgh Court Book Newburgh. From classical Latin prōtestāt-, past participial stem of prōtestārī protest + -or, after protestation.

Pronunciation

protestator

/ˈprəʊtɛsˌteɪtə/