The family of a US man killed by islanders who shun contact with the outside world say they forgive those responsible.
John Allen Chau was shot with arrows when he stepped ashore on India's remote North Sentinel Island, which tourists are forbidden to visit.
The 27-year-old was a self-proclaimed adventurer, but there have also been claims he was travelling to the island, which is off the coast of the Andaman Islands, as a missionary.
Indian police officials in the Andamans have launched a murder investigation.
They said a local electronics engineer simply named Alexander, who was a friend of Mr Chau's, a local watersports instructor and five fishermen who allegedly aided last Saturday's visit have been arrested for violating the terms of the island protection laws and for causing Mr Chau's death.
His family has confirmed he was involved in missionary work and called for the release of those who tried to help him.
A family statement posted on Mr Chau's Instagram page said: "Words cannot express the sadness we have experienced about this report.
"He was a beloved son, brother, uncle and best friend to us. To others he was a Christian missionary, a wilderness EMT (emergency medical technician), an international soccer coach, and a mountaineer.
"He loved God, life and helping those in need, and he had nothing but love for the Sentinelese people. We forgive those reportedly responsible for his death.
"We also ask for the release of those friends he had in the Andaman Islands. He ventured out of his own free will and his local contacts need not be persecuted for his own actions."
The New York Times said he had a Bible in his pack when he set off in a kayak to try to reach the island.
Dependra Pathak, the police chief in the Andaman and Nicobar Islands, told the Times Mr Chau gave the fishermen a long note in case he did not come back which said that Jesus had bestowed him with the strength to go to the most forbidden places on Earth.
Mr Pathak also said officials are struggling to figure out how to recover his body and are consulting anthropologists, tribal experts and scholars to figure out a way.
Oral Roberts University – Mr Chau's Christian higher education college in Tulsa, Oklahoma – said it was not surprised he had been involved in missionary work at the time of his death.
A statement by Dr William Wilson, the university's president, said: "Oral Roberts University alumni have gone to the uttermost bounds of the earth for the last 50 years bringing hope and healing to millions.
"We are not surprised that John would try to reach out to these isolated people in order to share God's love. We are deeply saddened to hear of his death."
There had been nothing to indicate Mr Chau had been planning to undertake his trip to North Sentinel Island on his extensive Instagram feed about his travels, or that he planned missionary work, other than his clear love for adventure.
In one of his most recent posts he talked about his plans to visit Diglipur, a town in North Andaman Island and in another he wrote: "Adventure awaits. So do leeches."
Several years earlier, when interviewed by an adventure travel website called The Outbound, he also did not mention his missionary work but he spoke of his desire to return to the Andaman Islands.
Asked what was top of his "must-do adventure list", he said: "Going back to the Andaman and Nicobar Islands in India is on the top – there's so much to see and do there!"
But he had recently been involved in coaching football for a number of NGOs (non-governmental organisations) with religious links, which claim to help those who are in need.
On his Twitter feed, he spoke about his involvement in Ubuntu, a South African football coaching organisation which also uses Bible studies to help children "growing up without a father".
His local paper in Vancouver, Washington, The Columbian, said when he was younger he received the Royal Rangers Gold Medal of Achievement at Mountain View Christian Center in Ridgefield, organised by a group called the Assemblies of God.
Several of his earlier Twitter posts referred to verses from the Bible and featured pictures he had taken in the "Holy Land", but in his interview with The Outbound, he said he had been working for Americorps, a non-religious voluntary organisation.
Stephen Corry, director of Survival International, which campaigns on behalf of indigenous people, said people like the Sentinelese were put in danger by anyone who visits them from the outside world.
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He said: "It's not impossible that the Sentinelese have just been infected by deadly pathogens to which they have no immunity, with the potential to wipe out the entire tribe.
"The Sentinelese have shown again and again that they want to be left alone, and their wishes should be respected."
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