By contrast, many deontological moral theories, such as the moral laws proffered by 18th century philosopher Immanuel Kant, argue that killing is never acceptable—it would be immoral to pull the lever to kill one, even if that meant allowing the trolley to continue on its course to kill 100 people.

Can Deontologist pull the lever?

And so, according to deontological viewpoint , actively pulling the lever would be the immoral choice. ... According to a deontologist if a person is not being used as a means to an end then it is justifiable to pull the lever in the given case.

What is the correct answer to the Trolley Problem?

In the Trolley Problem, a train is hurtling down the tracks towards five men stuck in its path. The utilitarian answer is that the moral decision is to sacrifice the heavyweight man, because you'd still be killing one to save five.