I can understand that such a situation might be unsettling or intriguing for a person in real life.
If someone has a dream about a specific individual and later meets a person in waking life who closely resembles the individual from their dream, it can be a strange and eerie experience. The human brain is capable of making connections and associations, and sometimes these connections can create a feeling of déjà vu or make one feel unsettled.
In reality, there is no reason to feel paranoid in such a situation. Dreams are a product of the subconscious mind and often include elements from our daily lives, experiences, and memories. It is not uncommon for the brain to pick up on familiar features in people we meet, even if we haven't consciously noticed them before.
The brain is highly skilled at recognizing patterns and making connections, and it is essential to remember that this doesn't imply any supernatural or paranormal occurrences. It's just a coincidence or a trick of the mind.
If you find yourself in such a situation, try to approach it with an open mind and a sense of curiosity. It can be a fascinating opportunity to explore the workings of your mind and the complexities of human perception. It might also be a fun story to share with friends or loved ones. But there is no reason to let it cause distress or paranoia.