marriage counsellor
/ˈmarɪdʒ ˌkaʊns(ə)lə/ /ˈmarɪdʒ ˌkaʊnslə/(US marriage counselor) originally US
noun
A person who provides marriage counselling.
Origin
1930s; earliest use found in The Reno Evening Gazette. From marriage + counsellor, after marriage counselling.