Not to mention it’s a very small tribe - estimates of the population recently seem to be only in the double digits. They must be inbred to an extreme, and no one knows their language. This is just one group of people to stay the heck away from, for all sorts of reasons.
Jesus died for the sake of everyone, including these lost souls. They need to hear about their Savior and make their decision about their own souls. None of us have the right to deprive them of eternal life with God.