Demonic spirits
I don't know but i think i have two spirits... but ones demonic
Spirits don't exist.
This comes from a medieval superstition that explained the effects of alcohol as demonic/spirit activity.
In early demonic era beliefs, personal deviance was often attributed to possession by evil spirits or demons. Behaviors that went against societal norms or religious teachings were seen as signs of being influenced or controlled by malevolent forces, leading to acts of deviance. Exorcisms or other rituals were used to try to rid individuals of these demonic influences and restore order in the community.
Try 'Poltergeist'.
Can a spirit kill you. If it is mad that it will take action then yes. If you do what it wants then no problem and you go on living a normal life.
because they are
Only evil people do that, normal people do not, its also a matter of speech when you dispose something out of your home because its not working anymore. This is applicable to all the gadgets.
Usually to ward off evil spirits, and to attract good ones.
throw them
You could use a Ouija board, but I do not recommend it for begginers, as nervousness can attract negative spirits. Use a ghostbox or join a paranormal group to learn skills