a person who enjoys reading
"The local library hosted a special event to celebrate every reader in attendance."
someone who contracts to receive and pay for a service or a certain number of issues of a publication
"The newspaper's circulation manager is looking for new readers willing to sign up for a contract that guarantees delivery of the Sunday edition every week."
a person who can read; a literate person
"The library offered free tutoring to help non-reader children become reader so they could join their classmates in storytime."
someone who reads proof in order to find errors and mark corrections
"The editor assigned a senior reader to check the manuscript before publication."
one of a series of texts for students learning to read
"The teacher handed out the third reader in our new literacy program, which contained simple stories about animals helping each other."
A person who reads.
"After serving as a deacon for many years, John was finally consecrated and no longer performed his duties solely as a reader leading the weekly morning prayers."
A person who is not ordained but is appointed to lead most services in the Anglican Church
In plain English: A reader is someone who looks at and understands written words on a page or screen.
"The book club will meet next Friday at the local library for every member to bring their favorite reader."
The word "reader" comes from the Old English term for someone who reads or interprets texts, such as a scholar or diviner. It entered Middle English and eventually modern English with this same meaning of a person who consumes written material.