disciple

Concise Oxford English Dictionary © 2008 Oxford University Press:
disciple /dɪˈsʌɪp(ə)l/

▶noun

• 1 a personal follower of Christ during his life, especially one of the twelve Apostles.

• 2 a follower or pupil of a teacher, leader, or philosophy.

– derivatives
disciplic adjective,
discipleship noun,
discipular /dɪˈsɪpjʊlə/ adjective.

– origin OE, from L. discipulus ‘learner’, from discere ‘learn’; reinforced by OFr. deciple.