haranguer vs orator

haranguer and orator both are nouns.

Word	Noun	Adjective	Verb	Adverb
haranguer	Yes	No	No	No
orator	Yes	No	No	No

As nouns, orator is a hypernym of haranguer; that is, orator is a word with a broader meaning than haranguer:

Other hypernyms of haranguer include public speaker, rhetorician, speechifier, speechmaker.

haranguer (noun)	orator (noun)
a public speaker who delivers a loud or forceful or angry speech	a person who delivers a speech or oration