If one sees himself guarded in a dream, it means complications in his life, business, security or health. If one is experiencing difficulties at that time, then his dream means relief and reversal of his condition for the better. Being guarded in a dream also may mean status, rank or peace for the guarded and difficulties for his guard. (Also see Night guard)
Dream dictionary: security guard dream meanings
A door knocker in a dream represents the door attendant, the an- nouncer, a messenger, a warning guard, a security system or a guard dog. If the knocker is made of gold or silver in the dream, it represents honor and prosperity of the people of such a house. If one sees two door knockers at his door in a dream, it means a debt he owes to two people. If one pulls out the door knocker, and if it brakes in his hand in the dream, it means that he follows a path of innovation. (Also see Club)