possessor(n = noun.person) owner - a person who owns something; "they are searching for the owner of the car"; "who is the owner of that friendly smile?"
is a kind of individual, mortal, person, somebody, someone, soul
has particulars: holder, homeowner, householder, part-owner, saver, shipowner
Derived form verb possess₂

   One who possesses; one who occupies, holds, owns, or controls; one who has actual participation or enjoyment, generally of that which is desirable; a proprietor. Law. [1913 Webster]
"As if he had been possessor of the whole world." [1913 Webster]

N  possessor, holder, occupant, occupier, tenant, person in possession, man in possession, renter, lodger, lessee, underlessee, zemindar, ryot, tenant on sufferance, tenant at will, tenant from year to year, tenant for years, tenant for life, owner, proprietor, proprietress, proprietary, impropriator, master, mistress, lord, land holder, land owner, landlord, land lady, slumlord, lord of the manor, lord paramount, heritor, laird, vavasour, landed gentry, mesne lord, planter, cestui-que-trust, beneficiary, mortgagor, grantee, feoffee, releasee, relessee, devisee, legatee, legatary, trustee, holder of the legal estate, mortgagee, right owner, rightful owner, heir presumptive, heir apparent, heiress, inheritor, inheritress, inheritrix, reversioner, remainderman.