Necromancer 
To dream of a necromancer symbolizes the wicked perils that may possibly be performed by your queer contact.
*See Hypnotist.
Grim Reaper
To dream about the grim reaper represents the detrimental and dismissed parts of your character. It indicates your buried character. This dream could also represent that something is coming to an end, such as death.
Gas Chamber
To dream of seeing yourself in a gas chamber indicates you are feeling trapped in your life or feel you are in a negative situation that is important to leave or get away from it.
Bereavement
Dreaming of experiencing bereavement or mourning after a loss of someone is a sign of sadness with guilt. Your mind may be signaling your sadness at the fact that loved one or something important is gone forever because of your bad habits or weird lifestyle. If this is the case, you're more likely to dream of that person or thing, or manifestation in another form. It is an expression of your sorrow that is seeping into your dream state.
Sister In Law
To dream of your sister-in-law symbolizes attributes that the both of you may have in common. Also, contemplate the bond that you both share. If you are arguing with your sister-in-law, it may imply that you refuse to accept that you both have certain aspects or attributes in common.
Lord Voldemort
Voldemort in a dream represents an antagonist in your life. Voldemort may also represent negative feelings, thoughts, or emotions inside yourself.
Brother-In-Law
If you dream of your actual brother-in-law, consider the situation and the circumstances in the dream. This dream has more to do with every details such as occurrences and events than a visual image of your brother-in-law.
If you currently don't have a brother-in-law but dream that you do or you're the one, it symbolizes your search for family and acceptance.
Booster Cables
Dreaming of booster cables symbolizes reviving something. Dreaming that you are attaching the booster cables to something represents your effort to revive something associated with that object. For instance, trying to revive your bed means you may be searching for a way to enhance your sex life.
Attaching booster cables to a person symbolizes your hopes or desires to revive that person either literally (generally when the person is sick or dead) or figuratively (such as reviving a relationship).
Using booster cables on your car in a dream is a general symbol of small issues and frustrations that are currently happening in your daily life.