Considering that the Sentinelese people are fiercely against outside intrusion (they kill most who land on their island and fire arrows at passing aircraft), no, I doubt that any will be gathered soon, either. Though I can guess it is like Bo, or other Andaman Island Languages.
Native: English (US)
Learning: русский язык
Hope to learn: Magyar, Tatar
Conlang projects: Aħkvm, upcoming unnamed project.