- Members of the Sentinelese tribe, who live on North Sentinel Island, a territory of India, have almost no contact with the world outside their island.
- They have reportedly killed an American missionary and tourist, John Allen Chau.
- There are only a handful of tribe members left, and their language is incompatible with that of neighboring islands.
- But the Indian government has gleaned some information from a handful of trips in the past few decades.
- In August, the government removed some of the restrictions to visiting the island in order to promote tourism, but authorities say it's still illegal to visit without the proper permissions.
An American tourist and missionary, John Allen Chau, was killed by arrows shot by members of the Sentinelese tribe, according to Indian police.
The tribe lives an isolated existence on North Sentinel Island. It has almost no contact with the interconnected world, speaks its own language, and lives without modern technology.
And without express permission, the island is off-limits for visitors. Dependra Pathak, the director general of police in Andaman and Nicobar, said Chau was illegally carried to North Sentinel by seven fishermen — each of whom has since been arrested by Indian police. Chau was a Christian missionary and had previously visted the the Andaman and Nicobar Islands in 2015 and 2016, according to CBS News. His attempts to reach the Sentinelese tribe were seemingly part of a religious mission.
Though the tribe resists contact from outsiders, some information about it has been collected by Indian officials. Here's what we know about the Sentinelese.
There are only a handful of them left
The Indian government doesn't include the Sentinelese in its census — in fact, it doesn't venture on to the island at all. It's counted its residents on the census based on photos taken from afar.
In its first census on the island, taken in 1991, it estimated 117 people were living there. In 2011, it counted 15 people total.
They're hunter-gatherers and have their own language
Surveys of North Sentinel haven't found any evidence of agriculture. Instead, the community seems to be hunter-gatherers, getting food through fishing, hunting, and collecting wild plants living on the island.
The tribe also seems to have its own language. Attempts to contact the members with Jarawa, the language of nearby islands, have been unsuccessful, according to Indian census documents.
North Sentinel Island is part of the Andaman Islands, home to many indigenous groups
The Andaman Islands are far from the coast of India and are home to the Andamanese, a group of various indigenous tribes, including the Sentinelese, that have historically been hunter-gatherers.
At this point in history, most of the groups that make up the Andamanese aren't as isolated from the rest of the world as the Sentinelese, who have maintained a reputation for resisting contact from others. Since their language appears to be incompatible with that of other Andamanese groups, they're isolated from them as well.
The Sentinelese do not practice cannibalism
Since colonial times, there's been a pervasive rumor that the Sentinelese are cannibals. There's no evidence to support this, and a 2006 analysis from the Indian government following the death of two fishermen on the island concluded that the group does not practice cannibalism.
"The Sentinelese not eating the deceased is a contradiction to the common belief that these tribes are cannibals," the report said.
The false belief reportedly grew from misunderstanding the practice of a neighboring tribe, the Onge, who cut up and burned the flesh of their deceased to prevent them from being consumed by evil spirits.
There have been a handful of recorded trips to the island
In the past couple of centuries, there have been a few recorded expeditions to North Sentinel.
In 1880, British colonizers kidnapped six Sentinelese people, two of whom died soon after, possibly because of contact with diseases they weren't immune to.
In the 1960s, Indian government researchers led several expeditions to the island. They laid the foundation for a 1974 National Geographic trip, during which island residents attacked the journalists.
From then on, trips to the island were mostly conducted for rescue missions. A ship crashed on the island in 1981, and the Indian government flew a helicopter over the island to survey the damage after the 2004 tsunami. In 2006, India's coast guard attempted to recover the bodies of two fishermen who had been killed on the island.
The Indian government claimed the island as part of its republic in 1970
India proclaimed North Sentinel as part of the Republic of India in 1970. Since then, it has controlled access to the island and kept it under watch with its coast guard, and it passed a law in 2017 that made it illegal to post photos or videos of the Sentinelese, as well as other Andamanese groups, on social media.
The current government removed some of the island's protections in August
India's current government, led by Prime Minister Narendra Modi, revoked some rules that protected the island. In August, it removed requirements to obtain a Restricted Area Permit for 29 islands in Andaman Islands, including North Sentinel. However, authorities say foreign visitors still need to obtain permission from the district authority and the forest department in order to visit North Sentinel, according to the BBC.
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