If you are dreaming about someone dying who is still alive, it may represent your fear of losing them. This could be because you had a fight with them recently or you are worried about their health. The dream may be a way for your subconscious to work out these emotions. Dreams about the death of loved ones can also be a sign that you need to re-evaluate your relationship with them.
Alternatively, it could be symbolic of your own mortality. This is especially true if the person in your dream is someone close to you or a family member. Some people have reported seeing their dead relatives in dreams when taking certain drugs like ayahuasca. This is because these drugs open the mind and can help you realize that your life is finite and that everyone eventually dies.
Whatever the case, a person dying in your dream who is still alive may be a reminder that you need to appreciate them and let them know how much they mean to you. You may also need to re-evaluate your relationship or take steps to end it. If the person in your dream is toxic, it may be time to let them go before things get out of hand. Remember that what goes around comes around, so if you put out negative energy it will come back to you tenfold. So, if you dream about someone dying who is still alive, it could be a wake-up call to pay attention to your relationships and make sure they are healthy.