Answer:

landlady

Answer	Crossword Clue
LANDLADY	Ethel Mertz, e.g.
LANDLADY	Ethel Mertz's job
LANDLADY	Ethel, to Lucy

LANDLADY	Mrs. Hudson, to Sherlock Holmes
LANDLADY	Ethel Mertz, for one
LANDLADY	Real estate owner.
LANDLADY	Queen of the apartment house.
LANDLADY	Rent collector.
LANDLADY	Concierge of a sort.
LANDLADY	Rent collector
LANDLADY	Mistress Quickly in "Henry IV"

LANDLADY	Letter, of sorts