reader

n.

1. One who reads habitually

   bookworm, bibliophile, editor, book reviewer, literary critic, proofreader, editorial assistant, scholar, bibliomaniac, person of learning, savant, walking encyclopedia*; see also bibliophile.

2. One who makes a profession of reading aloud

   lecturer, announcer, elocutionist, reciter, rhetorician, soliloquist, monologist, diseur, diseuse (both French), lector, instructor; see also announcer.

3. Anyone admitted to a library

   library patron, user, browser, research worker, scholar, grind*; see also student.

4. A book intended for the study of reading

   primer, storybook, graded text, companion volume, selected readings, anthology, collection, omnibus, models; see also book 1, collection 2, text 1.

5. A grader of papers

   teaching assistant, T.A., lab assistant, professor; see teacher 1, 2.