He believes that spirits looked after her and that her burbling could be another tribal language that nobody in his village understands.

Over the decades, many tribal languages fell silent.

Although some people speak these regional, or trade languages, as first languages, most of the population speak them as a second language after their own tribal language.

Regional and tribal languages were to be respected, but communalism rejected.

Finally, several tribal languages are also spoken in the village, including kortha.

Members live under a tribal structure based on bilateral descent that helps them live in one of the most extreme environments on earth.

Most of the population lived in small farm communities organized under a tribal structure.

Many emerged as experts on dialects and tribal structures.

In this period, hunters and gatherers of megafauna started to turn to other food sources and established the first tribal structures.

With the passage of time tribal structures are coming to an end and are being replaced with more cohesive and holistic society.