The meeting with strangers can be sign as dobra, and is evil. Everything depends on what impression on you is made by appearance of these people. If the appearance of the stranger is pleasant, then the dream promises good; if he is ugly and gloomy, then expect a trouble. If you dream the stranger, but you understand that actually it you also are, then in reality you should solve pretty strange problems.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.