sadist, n.All

A Sadist is a masochist who follows the Golden Rule.

A Sadist is someone who is kind to masochists.

A Sadist is one who does kind things to a masochist.

The Sadist is indifferent to the continued existence of the world. On the contrary: He wants to nullify this world, and by negating his fellow man, who also in an entirely specific sense is 'hell' from him, he wants to realize his own total sovereignty.