Jealousy means losses for the one experiencing it in the dream.
A jealous person has an evil quality, and jealousy is evil.
If one who suffers from people’s jealousy sees his condition improving in a dream, it means poverty, rancor, spite, black magic, or malice for the jealous person and benefits for the victim of jealousy. In a dream, jealousy also represents covetousness, grudges, avarice and love for the world.
To devastate someone by looking at him with despise in a dream means that the assailant will suffer from the jealous eye of his victim. (Also see Jaundice)... Islamic Dream Interpretation
Experiencing jealousy in your daily life may cause you to dream about it.
If you are not aware of your jealousy, your unconscious may be giving you some hints of awareness. Jealousy is usually a result of insecurity. Consider this dream a learning experience. Analyze some of your feelings of insecurity or inadequacy and then begin to deal with those issues.... The Bedside Dream Dictionary
To dream that you are jealous signifies that the same feeling in your waking like. This dream may be telling you that you have some unresolved and unconscious feelings of jealousy toward a certain person. Additionally, it symbolizes your weakness and fear of being too close to someone. You need to work on improving your self-esteem and self-worth.... Dream Symbols and Analysis
Dreams that expose your jealous feelings can be a catalyst for you to move forward, onward and upward toward the creation of the life you desire, so that you can actualize the qualities that you admire in another. Keep in mind, that if you see it, you can be it.... Strangest Dream Explanations