Answer:

owner

Answer	Crossword Clue
OWNER	Proprietor
OWNER	Title holder
OWNER	Shareholder

OWNER	Jon, to Garfield
OWNER	Keeper
OWNER	Haver
OWNER	Landlord
OWNER	Rent recipient
OWNER	Leaseback participant
OWNER	Landlord, usually
OWNER	Deed signatory

OWNER	Property holder
OWNER	Rent collector
OWNER	Team bigwig
OWNER	One with a title
OWNER	Person with a title
OWNER	Deed holder
OWNER	Pet caller
OWNER	Seller, presumably

OWNER	Cuban of the Dallas Mavericks, e.g.
OWNER	King Arthur, re Excalibur
OWNER	Mortgage payer
OWNER	One with a deed, indeed
OWNER	Dog tag datum
OWNER	George W., to the Texas Rangers, once
OWNER	Charlie Brown, to Snoopy
OWNER	One of the haves

OWNER	Titleholder
OWNER	Possessive person?
OWNER	Nora, to Asta
OWNER	One with a deed
OWNER	Deed possessor
OWNER	Human, to a pet
OWNER	Landlord, perhaps
OWNER	Home attachment?

OWNER	Pro sports VIP
OWNER	Store boss
OWNER	Registration datum
OWNER	Pro team's VIP
OWNER	Dog-tag name