WWJD? Kill in the name of Christianity?
When Christ comes back, the non believers will be slain. Didn't you ever read your bible, Anna?
As for this worthless slave, throw him into the outer darkness, where there will be weeping and gnashing of teeth (Matthew 25:30).
When the Son of Man comes in His glory, and all the angels with Him, then He will sit on the throne of his glory All the nations will be gathered before Him, and He will separate people one from another as a shepherd separates the sheep from the goats (Matthew 25:31,32).