lecturer

noun3

1. •
   A person who gives lectures, especially as a profession.

   • The lecturers are expert on lecturing on the subject, but they offer the splatterdash method of disseminating information with no point of view of their own. — 1982
2. •
   (old-fashioned) A member of the Church of England clergy whose main task was to deliver sermons (lectures) in the afternoons and evenings.
3. •
   A member of a university or college below the rank of assistant professor or reader; docent; lector.