라뽀

라뽀 (Ra Ppo), Rapport is a French word meaning 'bond of the heart', and in psychological terms, it refers to a relationship of mutual trust between people. 

In Korea, the expression 라뽀 (Ra Ppo) is also used to describe a relationship of mutual trust between people.

refer : https://ko.wikipedia.org/wiki/%EB%9D%BC%ED%8F%AC%EB%A5%B4