Bunin or Fujin (consort of the emperor or ones wife) (夫人)
A term to show respect for someone's wife. Reifujin is also used in the same way.
A naming or a title of honor of a wife of a public figure. Shicho fujin (wife of a city mayor), chiji fujin (wife of a prefectural governor), giin fujin (wife of a councilor). Daitoryo fujin (wife of a president) and shusho fujin (wife of a prime minister) are also called the first lady.
A naming of a wife of a man who has a post. Kyoju fujin (wife of a professor), todori fujin (wife of a bank president), incho fujin (wife of a hospital director), shacho fujin (wife of a company president).
Senmu fujin (wife of a senior managing director.)
These terms are used even today, however, the origin of them refers to a woman owned by a husband, which is condemned by feminists.
The rank and title of a consort of an Emperor in the ritsuryo system (a system of centralized government based on the ritsuryo code). Fujin was the third position after kogo (empress), and hi (second consort of an emperor), and was limited to three in number. Its Ikai (court rank) was sanmi (the third rank). It is the oldest record confirmed so far that Emperor Tenmu had three fujin. After the Heian period, the title of fujin became less and less used along with the title hi and hin (consorts of an emperor), and it was virtually abolished in the era of the Emperor Junna. Then, the rank of fujin was shifted to chugu (the second consort of an emperor), nyogo (a high-ranking lady in the court [a consort of an emperor]), and koi (nyokan) (a lady in waiting in the court).
Formal titles that a lawful wife of the nobility is allowed to use. "hakushaku fujin" (countess), "danshaku fujin" (baroness). It is also called fujin i (rank of fujin), and fujin go (title of fujin).