noun
public diplomacy; people-to-people diplomacy; non-governmental diplomacy
Diplomatic activities conducted by private citizens, NGOs, or non-state actors, as opposed to official government diplomacy. Often used in the context of cultural exchange, grassroots initiatives, or track-two diplomacy.
民間外交は国際交流の重要な手段です。
Public diplomacy is an important means of international exchange.
She cooperates with overseas NGOs as part of people-to-people diplomacy.