The population of North Sentinel Island is estimated to be around 50 to 400 individuals, based on limited contact and observations. The island is inhabited by the Sentinelese people, who have had minimal interaction with the outside world and are known for their isolation and hostility towards outsiders.

they share a common ancestor that is extinct, this common ancestor was a lesser ape, we are therefore as close theoretically as to orangutan and gorrilla, however our DNA is 98.9% identical to Chimps, do not be fooled though, we are 40% identical to dandilions!!! a few percent can make a big difference

Yes, there are still some hunting and gathering societies in existence, although their numbers have greatly diminished. These societies are often found in remote or isolated regions where traditional ways of life have been preserved.