lapidator
/ˈlæpɪˌdeɪtər/
noun
- A person who throws stones at someone, especially as a form of punishment or attack.
- The crowd became a mob of lapidators, hurling rocks at the wall.
- In the historical reenactment, a lapidator stood ready with a pile of stones.
- The ancient law allowed a lapidator to throw stones at the accused.