.....This can't have been written by a native English speaker.
— Rorate Caeli (@RorateCaeli) May 18, 2020
Landlord, for instance, is self-explanatory.
"Jim is my landlord."
"Jim is my owner." -What?
"Jim is the owner of my house." -What?
"Jim is the owner of the house in which I live." -Oh, he's your landlord!