Reader (liturgy), someone charged with reading Scripture in church (also called a Lector)
Reader (Christian Science Church), a person who conducts services in a Christian Science church, also called a First Reader or Second Reader
Reader (Anglican Church)
Reader (academic rank), the British academic rank between senior (or principal) lecturer and professor
Reader (Inns of Court), originally a senior barrister of the Inns of Court in London who was elected to deliver a lecture or series of lectures on a particular legal topic