I have recently completed a 9-part video training on What Is A Disciple. Each video is 6 - 10 minutes long. You can access the whole series here 

https://www.mybiblestudylessons.com/What-is-a-disciple/

Josh Hunt
Good Questions Have Groups Talking

P.S. 

If you enjoy this series, please help my out by sharing, subscribing and liking these videos.

P.S.S.

A new series is in the works on How to Be and Make Disciples.