If someone has hurt you physically in your dream, then such dream indicates the emotional pain this person has caused you. Sometimes the physical pain that is felt in the dream is actual pain that you are feeling during your sleep. The dream in which you are hurt by others means that you are afraid of being hurt in your waking life as well. Maybe someone has threaten you, therefore you are afraid of it.
Dream dictionary: Hurt (physically) dream meanings
In the dream to have a weapon, this denotes protection. You defend yourself from negative influence which may affect you emotionally or physically. Also this dream announces that you will have disputes or serious disagreements with your family members or close friends. The dream protects your hidden feelings such as a wish to revenge or to hurt someone.
Dreaming of fire weapons means sickness and death. To be injured with a sharp object is a sign of envy, jealousy and dislikes. Having a gun in your hand is a sign that you need material things to feel fully satisfied. To see or to hold a weapon in your dream indicates a need to defend and protect yourself emotionally and/or physically. You are experiencing some conflict in your waking life. Alternatively, the dream may also indicate a hiding desire to hurt someone or something. Your dream provides a safe asylum to express these desires. To dream that others are rich suggests you have to look help on those around you.