counsellor
/ˈkaʊnsələ(r)/( <美> counselor)
noun
1
- a person trained to give guidance on personal, social, or psychological problems（私人、社会和心理问题的）顾问：
a marriage counsellor
婚姻顾问。
1.1
- often with modifier a person who gives advice on a specified subject（特别事物的）顾问：
a debt counsellor
债务顾问。
2
- a senior officer in the diplomatic service（使馆的）参赞。
3
- （亦作 counselor-at-law）US & Irish a barrister〈美, 爱尔兰〉律师; 法律顾问。
4
- N. Amer. a supervisor at a children's summer camp〈北美〉（儿童夏令营）辅导员, 指导员。
词源
Middle English （in the general sense 'adviser'）： from Old French conseiller, from Latin consiliarius, and Old French conseillour, from Latin consiliator, both from consilium 'consultation or advice'.