Are there any volunteers without borders?

There are many organizations without borders, including reporters without borders, lawyers without borders, doctors without borders, photography without borders, Braille without borders, environmental protection without borders and so on.

Volunteers who join the organization without borders, that is, volunteers, must first be professionals in this field, and then have strict requirements and standards for social interaction, foreign languages and physique.

You can't join unless you are an outstanding professional in a certain field.