is,
A student; a learner; a pupil. Also, a follower. The followers of the doctrines of Christ were called His disciples, just as all Christians are called His disciples even today, as they follow after Him and learn and receive His teachings.

And the angel answered and said unto the woman, Don't be afraid: for I know that you seek Jesus who was crucified. He is not here, for He is risen, as He said. Come, see the place where the Lord did lay. And go quickly, and tell His disciples that He is risen from the dead...
Matthew 28:5-7