In the Christian faith, apostles were those entrusted by Jesus to help organize the church and spread the message of His teachings. The word apostle comes from the Greek word, apostelló, meaning a messenger or one sent on a mission.
Although not used much in common language today except when speaking of Christian principles, in ancient times the word was used to describe someone who was commissioned by another person to represent him in some way.
Are Apostles Different from Disciples?
Though the terms are sometimes used interchangeably, there is a difference between a disciple and an apostle.
Read more at Christianity.com . . .