I beleive it is possible to steal a persons chi.

This is one of the main reasons I stopped practicing the spiritual parts of the Chinese Southern Styles....it is too connected to deity worship . I am a christian and DO believe in demon spirits, I believe they can masquarade as just about anything once you enter the spirit realm...so mu strong advice is to not get involved at all with these things we know little about.

One of my Instructors advised me a long time ago NOT to allow anyone to know the exact time of day I meditated or or pacticed meditative Chi-Kung.

Sometimes a person may secretly not like you, be jealous of your Martial ability...or just a thief.

Psychic Vampire
A psychic vampire is a person who connects with your chi (pronounced chee) or life force energy and takes it for his/her own purposes. This person may touch you even casually or just come close to you. You feel drained.

http://www.amazon.com/Psychic-Vampir.../dp/0738701912


It is a real danger so I would advice caution.