New Living Translation
John said to Jesus, “Master, we saw someone using your name to cast out demons, but we told him to stop because he isn’t in our group.”

American Standard Version
And John answered and said, Master, we saw one casting out demons in thy name; and we forbade him, because he followeth not with us.

Berean Study Bible
“Master,” said John, “we saw someone driving out demons in Your name, and we tried to stop him, because he does not accompany us.”

Douay-Rheims Bible
And John, answering, said: Master, we saw a certain man casting out devils in thy name, and we forbade him, because he followeth not with us.

English Revised Version
And John answered and said, Master, we saw one casting out devils in thy name; and we forbade him, because he followeth not with us.

King James Bible
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.

World English Bible
John answered, "Master, we saw someone casting out demons in your name, and we forbade him, because he doesn't follow with us."

Young's Literal Translation
And John answering said, 'Master, we saw a certain one in thy name casting forth the demons, and we forbade him, because he doth not follow with us;'

Luke 9:49 Additional Translations ...