These ones that Jesus spoke of were at one time spiritually dead. However, once they had an opportunity to hear the gospel, they put faith in Jesus Christ and gave up their former sinful life.
“Love is not merely an optional duty for someone claiming to be a Christian, but proof positive that a person truly has been born again.”—John MacArthur.
1 John 3:14 Updated American Standard Version (UASV) 14 We know that we have passed over from death to life because we love the brothers. The one who does not love remains in death.