You searched for: “daemon
daemon
1. A mythological being that is part-god and part-human.
2. A mythological guardian spirit or a spirit that is supposed to take care of a person or place.
3. A piece of computer software that carries out background tasks; such as, filtering or debugging, at fixed intervals or in response to specific events.
4. One of the evil spirits of traditional Jewish and Christian belief.

"A daemon and a demon are not one and the same thing. It is daemon, in its Platonic sense of a being intermediary between gods and men, not demon with its Judaeo-Christian import of an unclean, evil, or malignant spirit that we must keep in mind."

Webster's New International Dictionary 2nd Ed., by J.L. Lowes;
Springfield, Massachusetts: G. & C. Merriam Co., 1950.
(Greek: devil, demon [evil spirit]; an intermediary spirit between gods and men which could be good or evil)