endstigator

A person who ends or urges the stop.

He was the endstigator of the party because it too wild.

endstigator by Tamarashayne May 9, 2019

envestigator 

created by a 7 year old for peoples names beginning with E.

7 yr ol: hi Envestigator
Me: My name is Evan

envestigator by idontrllyknow October 9, 2020

Exstigator 

To not instigate.

Jim is an exstigator, therefore he has many friends.

Exstigator by Exstigation Station May 5, 2018