A scholar, Matthew 10:24. In the New Testament it is applied principally to the followers of Christ; sometimes to those of John the Baptist, Matthew 22:16. It is used in a special manner to point out the twelve, Matthew 10:1 11:1 20:17. A disciple of Christ may now be defined as one who believes his doctrine, rests upon his sacrifice, imbibes his spirit, imitates his example, and lives to do his work.
These dictionary topics are from American Tract Society Bible Dictionary published in 1859. Public Domain, copy freely.
Rand, W. W. "Entry for 'DISCIPLE'". "American Tract Society Bible Dictionary".