Dreaming about your sister's safety symbolizes a deep concern and care for your sibling's well-being. This dream reflects a strong emotional connection and a sense of responsibility towards her. It may suggest that you are experiencing worry or anxiety regarding her safety, both physically and emotionally. The dream could also indicate an underlying desire to protect and support her in difficult times. Consider the specific context and details of the dream to gain further insight into the areas of concern or potential ways to provide assistance in your sister's life.