What is another word for orator?

Here are some other words for orator, depending on the specific nuance you want to convey:

Formal:

* Speaker

* Public speaker

* Rhetorician

* Lecturer

* Oratorical

* Elocutionist

Informal:

* Talker

* Spokesperson

* Debater

* Wordsmith

* Speechmaker

More specific:

* Advocate (for a particular cause)

* Preacher (for religious speeches)

* Politician (for political speeches)

* Comedian (for humorous speeches)

* Storyteller (for narrative speeches)

The best word to use will depend on the context of your writing.