Lecturer
Part of speech: noun
Definition: A person who gives lectures, especially as a profession. A member of a university or college below the rank of assistant professor or reader. A member of the Church of England clergy whose main task was to deliver sermons (lectures) in the afternoons and evenings.
Example sentence: Fugitive slaves were rare then, and as a fugitive slave lecturer, I had the advantage of being the first one out.
Reader
Part of speech: noun
Definition: A person who reads a publication.A person who recites literary works, usually to an audience.A proofreader.A university lecturer below a professor.A book of exercises to accompany a textbook.A literary anthology.A lay or minor cleric who reads lessons in a church service.A device such as a card reader or microfilm reader.A newspaper advertisement designed to look like an news article rather than a commercial solicitation.
Example sentence: Today a reader, tomorrow a leader.