Convict 
To dream that you are a convict indicates that you are being imposed with limitations in some aspect of your life. Perhaps you are not being permitted to express your ideas or opinions. You are being forced to conform to someone else's beliefs or wants. In addition, this dream may symbolize emotions of embarrassment or regret. This dream image is advising you not to accept the blame and responsibility for something you can't control.
To see a convict in your dream implies that you are finding it difficult to communicate your thoughts, feelings, or emotions.
Captive
To dream of being held captive by somebody indicates a psychic imbalance that may be causing emotional powerlessness. Knowing your strengths and weaknesses may help in a current crisis. Dreaming of holding another captive is a reminder from your unconscious that you have no true control over others and letting go feels better for everyone.
Hellhound
To dream of a hellhound indicates that danger is ahead. If the hellhound is guarding something, stay away from whatever it is guarding or you will be trapped by the circumstances. If someone you know is standing near the hellhound then that person had bad intentions so you should stay away.
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