Luke 9:49
And John answered and said, Master, we saw one casting out devils in thy name; and we forbad him, because he followeth not with us.
Cross-reference
Luke 11:19
Parallel
Luke 11:19 shows Jesus acknowledging others cast out demons too – it provides broader context for non-disciple exorcists.
Numbers 11:27–29
Parallel
In Numbers 11:27-29, Joshua asks Moses to stop Eldad and Medad from prophesying, and Moses rebukes him — exactly paralleling John's attitude and Jesus' response.
Mark 9:38–40
Parallel
Mark 9:38-40 records the same incident, with Jesus adding 'Do not stop him, for whoever is not against us is for us.'
Numbers 11:28
Parallel
In Numbers 11:28, Joshua tells Moses to stop unauthorized prophecy — a direct parallel to John asking Jesus to stop the exorcist, with Moses and Jesus both rebuking the request.
Acts 19:13
Parallel
Acts 19:13 describes Jewish exorcists using Jesus' name without being followers – a later example of the same phenomenon.