Immigration?
what are the choices? if there aren’t options i would guess it is immigration.
Answer:
Sherpas are the local people who are highly skilled and experienced climbers. They are paid to do things such as prepare the route for foreign climbers to follow, fix ropes in place, and carry the necessary climbing kit up the mountain. it is a really risky job.
Go look it up, the white folks came on a big boat to America to steal it from the Native Americans but decided to be nice to the people who OWNED THE LAND and have a dinner with them. They shared the food and gave thanks.