An assassin (assassination is the action of doing so).
Simple, but answers the q
unriddlerriddle solver
The term for a person who kills a king is a "regicide."
An herbicidal maniac?
The organisms which eat insects are called insectivores.
Non-partisan or independent.
partisan
Independent
When you shoot someone on the opposing team and one person on your team kills the person you shot. It's short for assisted kill though
The person could be termed as being non-political. Or politically impartial. Or even sensible!
A person who commits suicide is also called a suicide. Or..."dead" is probably a good word for it. :)
They are congruent figures.
you have to have 5 kills straight or with hardline,you need 4 kills