See Christ under archetypes.
2. Being wholesome and sharing knowledge with others.
Dreaming of this enlightened deity represents your own inner wisdom and that you are evoking the best of yourself. Krishna also represents your ability to access to divine and realize that you are in this world but not of it.
To see Krishna in your dreams, denotes that your greatest joy will be in pursuit of occult knowledge, and you will school yourself to the taunts of friends, and cultivate a philosophical bearing toward life and sorrow.