They should not impose their judgment.
They should not expect something in return.
They should learn local customs and understand what is happening in the country.
They should be open-minded.
They should stand their ground if there is something wrong.
They should collaborate, not exploiting, be fair.
The should exchange their knowledge.
They should accept the fact that people make mistakes, never expect
They should be tolerant, appreciate the views and the opinions, and understand that it is not possible to do everything that we want.