In-Law 
A dream about an in-law represents scrutiny and insecurity in regards to new responsibilities. You may have recently experienced a promotion but be having conflict with your boss. This person has strong influence upon your life and you may feel the problems someone is causing you for an unexpected downside of a greater reward.
Alternatively, to dream of your in-law symbolizes an evolving working relationship. The dream may also be a hint to strictly adhere to the rules and be mindful of your actions.
Jailer
To dream of a jailer foretells a lack of ethics and loyalty. It also predicts an impending loss.
James Bond
Dreaming of James Bond symbolizes your desire for action, adventure, mysteriousness, and appeal to others. If you're a woman, there may be hints of a desire for masculinity (either within your own persona or among a man or men in your life), classic romance, thrilling adventure, and sex appeal. If you're a man dreaming of James Bond, your life may be missing some excitement as of late.
Janitor
To dream of an idle janitor implies drawbacks in your business dealings.
To see a busy janitor means good news in the future.
Jedi
To dream of a Jedi from Star Wars implies a good handle on your own energy. You should trust your intuition in your waking life. There may be a time in the near future in which you will be called upon to mediate between two very important people, and you may need to be strong and firm to gain peace.
To dream of a Jedi indicates that your character as moral and just.
Jekyll and Hyde
To dream of Jekyll and Hyde indicates that you are ambivalent over an important situation in your waking life.
To dream of becoming overwhelmed by a dangerous aspect of your personality suggests that if you were to release your dangerous side, your life could spin out of control.
Dr. Jekyll and Mr. Hyde appearing in a dream are strong reminders of the need to release emotion before it explodes. Finding someone to talk to may be important at this time.
Jester
To dream of a jester signifies mundane things and passing fancies which might cause you to pay little attention to important and pressing matters.
Joker
A joker in a dream represents the devious side of your personality. In a dream the joker might lure you into actions which in your daily life would be taboo or dangerous.
Judge
To dream of a judge may be providing snippets of wisdom to help you make sound decisions. On a more direct note, this dream may signify that misunderstandings can be properly resolved in a court of law.
Key Maker
To dream of a key maker is a fortunate omen in regards to your reservoir of personal innovation and imagination.
Speaking to a key maker in a dream indicates that you have the power to uncover the solution to any problem you may be currently experiencing in your waking life.
Landlord
To dream of your landlord represents your controlling nature. It corresponds with your objective and dependable personality. Perhaps there is a need for better control and management on a particular aspect of your character.
Lawyer
To dream that you are a lawyer refers to the availability of help at your disposal. It is about time to let go of pride and approach the people who are in a good position to help in your current problem.
Librarian
A librarian in a dream is a guide to yourself. A library contains vast information which may represent aspects of yourself or your own knowledge or memories. The librarian in a dream can help you to navigate a search within this information in order to grow and learn from yourself.
Life Saver
A life saver in a dream refers to safety and comfort in your life.
To dream of colorful candy life savers represents happiness and security.
To dream of floating in a life saver indicates that you feel as though you have been rescued.
Lifeguard
To dream that you are a lifeguard indicates that you are extremely careful about the emotional aspect of your waking life. This means that you are looking for someone to guide and support you while you discover your unconscious.
Lion Tamer
To dream that you are a lion tamer indicates that you enjoy occupying a position of power in your daily life. You may feel that you are at the center of a group of strong individuals at work or at home but you have the confidence to lead and coordinate their actions in order to achieve your personal goals. This may be a good time to take on a new project at work or to apply for a promotion into management.
Lord Voldemort
Voldemort in a dream represents an antagonist in your life. Voldemort may also represent negative feelings, thoughts, or emotions inside yourself.
Lover
To dream of a lover represents recognition, self-worth, and acknowledgment of your true character. It may suggest a merging of both your feminine and masculine attributes. You are fulfilled and secure with the person that you are.
To dream of a former lover indicates that you have hang ups and loose ends relating to that specific relationship. Your present relationship may be indicating possible recurrence of those same issues.
Madonna
To dream of Madonna represents the nurturer of everlasting life and all that is perfect in the world. It also symbolizes good fortune.
Magician
To see or dream that you are a magician implies that you are facing a situation that may be more complicated than you first thought. Perhaps you have been misled. The dream may also indicate that you are attempting to persuade yourself or others of a false truth.