Here are some possibilities:
Mercenaries. Fighting strictly for pay or remuneration (rewards).
For exactly the same reasons people from every other country in the world kill people.
centerpeds can kill people if they get their stingers in you and sting you or they squart their poison at you
Guns don't kill people; PEOPLE kill people. A person has to point the gun and pull the trigger. The problem with trying to control guns is that criminals do not follow those kinds of laws.However...Guns are a tool that can be used to kill more readily, or to threaten death. Other weapons require some skill, at least, to use.
It is when you are called by the German soldiers and you have to go to see them and if you were Jewish they would kill you or send you to a concentration camp. Many of these people that were called up were never seen again.
People that the narcos hire to kill people for money
employers
kill people
Call Freddie Cruger and tell him "Barny needs to die!"
No, it is illegal to hire someone to kill you. This is considered a crime and is punishable by law.
kill people
Butchers.
There many companies that hire for inbound call center employees. Chances are you can find exactly what you are looking for by looking on the website Monster.com
people and zombies
It is illegal and morally wrong to hire someone to kill you. It is important to seek help if you are feeling suicidal or in distress.
You can call the hiring officer of a company seeking to hire contact center persons when looking for contact center jobs. Some big retail stores often need to hire these people.
Poachers.