As said if the person does not want to be hypnotised he can't be, he has to be willing.
The "doc" I buy my flashlights from does this as a profession, stage hypnosis on people, you can do virtually anything, apart from dangerous etc as subject will still have a sense of danger unwillingness to do these things.
Doc is also a comedian and mind reader, www.COMEDY4.EU and www.MAGIC4.EU
tabetha