He was not one of the 12 disciples.
The disciple who asked Jesus to teach them to pray was one of his followers named Luke.
It depends on what you call a disciple. If you mean 'one of Jesus's disciples' then yes. Jesus says in John "I am the Way, and the Truth, and the Life. No one can come to the father exept though me." So in that case, yes, you have to be a Christian to be a disciple of Jesus.
Yes, John was a disciple of Jesus.
Yes, Timothy was a disciple of Jesus.
No, Bartholomew was not one of the original twelve disciples of Jesus.
Yes, Matthew was one of the twelve disciples of Jesus.
Yes, Nathanael was one of the twelve disciples of Jesus.
Yes, Thomas was one of the twelve disciples of Jesus.
Because St. Joseph of Arimathea was the one who took the initiative to ask Pilate for the Body Of Christ & then to bury Him in his own Sepulchre.
Judas Iscariot was the disciple who betrayed Jesus.
Yes, Thomas is considered one of the disciples of Jesus in the Bible.
Is it Judas.