the ghost possess you only because you disturb the ghost
It depends on your question.. If asking like a Half Ghost/Half Human Hybrid, then No, this isn't Danny Phantom. But, rarely ghosts can actually possess there body, dead people in a Human Body. Therefore, called Half Human, Half Ghost.
No a ghost can not posses you, only Satan can.
human
ghost guidance,soul taxes,
No
human characteristic
No.
ghost
the method only one: don't be expressionless.The ghost always wait a chance to enter you body.Because if you expressionless your mind was zero,the ghost have chance to enter your body and make your soul sleep in the deep prison
They can possess you and make you think dark stuff. For example telling you to kill someone you love but they hate.
No offense or anything but ghosts are not real, maybe you can explain what you mean a bit more clearly
he could decide the outcome of a war. not wanted as a enemy