To dream of the shark, means that there is someone in your life which causes negative feelings to you. Maybe this person is very strict and unpleasant that is why it makes you feel uncomfortable. He reaches his goals while doing damage to others. On the other hand, the dream could show your own state of the mind, which shows the frustration, fear and anger, because the shark associates with all of those features.
Shark dream meaning
Read more about dreaming of Shark in other dream meanings interpretations.