The character that appears with the diving suit tries to hide his intentions or personality to others or to himself. If diving suit with anatomical lines and undecorated, then the dream reveals that practical thoughts linked to direct action are hidden. A beautifully decorated diving suit can be a sign that what is hidden are thoughts of grandeur and adventure outside of reality.
Diving suit (mask) dream meaning
Read more about dreaming of Diving suit (mask) in other dream meanings interpretations.