Friendship implies loyalty, esteem, cordiality, sympathy, affection, readiness to aid, to help, to stick, to fight for, if need be.

友谊意谓忠诚、尊重、礼貌、同情、关爱；准备好协助、帮忙、支持、在有必要时为其奋斗。

youdao

Alongside etiquette and deportment, the courses impart a smattering of self-esteem (public speaking, how to network) and common sense (first-aid, healthy eating), with one-hour sessions on chess, interior design and massage thrown in.

ECONOMIST: The new interest in etiquette crosses gender boundaries