A literal warning
[1]If someone is mean in your dream, this is your shadow expressing itself; the part of you that is critical any negative belief you hold about yourself. This dream is an attempt to integrate your inner victim with your inner critic or judge.
See Also: Witch, Integration Dreams.
[2]If you dream that someone is mean to you, you may have trouble and disappointment in some situation, possibly with that person.
[3]This probably represents balance in your psyche, perhaps between a particular pair of opposites - for example, conscious and unconscious, masculine and feminine.
(= halfway between extremes)
[4]