A purveyor of sleaze; one who sells immoral material

(slang, obsolete) A teacher of dancing. / Used other than figuratively or idiomatically: see caper, merchant. (one who sells capers for food etc.)

(dated) A person who deals in coal, either on a large scale or in a particular locality, where coal was weighed and bagged by the merchant, delivered to households and tipped into a coal bunker.

Synonym of spin doctor

(military slang) A civilian. / (military slang, by extension) Someone with a cushy job or without combat experience.

A sailor who works on a merchant marine

plural of law merchant

(Ireland, slang, derogatory) A person who does not contribute to society and who lives off welfare.

(slang, obsolete) A teacher of dancing. / Used other than figuratively or idiomatically: see hop, merchant. (one who sells hops for brewing)

Synonym of country store (“general store in a rural setting”)