The antonyms for the phrase "leaves stranded" would be to stay or remain, to rescue or save, or to provide assistance or support. When someone or something is stranded, it means they are left without the means to move or progress, or they are separated from others without the resources to continue. Conversely, to stay or remain implies a sense of constancy, reliability, and dependability. To rescue or save brings to mind the image of a hero coming to someone's aid in a time of need, while providing assistance or support connotes a sense of generosity, kindness, and willingness to help others.