doctrinero

someone who teaches a doctrine, especially a missionary who taught the Catholic doctrine to Native Americans

Etymology tree Spanish doctrina Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārius Spanish -ero Spanish doctrinero From doctrina (“doctrine”) + -ero.

that teaches or promotes a doctrine, especially the Catholic doctrine

Etymology tree Spanish doctrina Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārius Spanish -ero Spanish doctrinero From doctrina (“doctrine”) + -ero.