'Disciple' definitions:

Definition of 'disciple'

noun

Someone who believes and helps to spread the doctrine of another [syn: disciple, adherent]

From: GCIDE

Disciple \Dis*ci"ple\, v. t. [imp. & p. p. Discipled; p. pr. & vb. n. Discipling.]
1. To teach; to train. [Obs.] [1913 Webster]
That better were in virtues discipled. --Spenser. [1913 Webster]
2. To punish; to discipline. [Obs.] --B. Jonson. [1913 Webster]
3. To make disciples of; to convert to doctrines or principles. [R.] [1913 Webster]
Sending missionaries to disciple all nations. --E. D. Griffin. [1913 Webster]

From: GCIDE

Disciple \Dis*ci"ple\, n. [OE. disciple, deciple, OF. disciple, fr. L. discipulus, fr. discere to learn (akin to docere to teach; see Docile) + prob. a root meaning to turn or drive, as in L. pellere to drive (see Pulse).] One who receives instruction from another; a scholar; a learner; especially, a follower who has learned to believe in the truth of the doctrine of his teacher; an adherent in doctrine; as, the disciples of Plato; the disciples of our Savior. [1913 Webster]
The disciples, or The twelve disciples, the twelve selected companions of Jesus; -- also called {the apostles}.
Disciples of Christ. See Christian, n., 3, and Campbellite.
Syn: Learner; scholar; pupil; follower; adherent. [1913 Webster]

Disciple a scholar, sometimes applied to the followers of John the Baptist (Matt. 9:14), and of the Pharisees (22:16), but principally to the followers of Christ. A disciple of Christ is one who (1) believes his doctrine, (2) rests on his sacrifice, (3) imbibes his spirit, and (4) imitates his example (Matt. 10:24; Luke 14:26, 27, 33; John 6:69).