also: いえぬし · いえあるじ
隣の部屋の家主はとても親切だ。
The landlord of the next room is very kind.
house owner; homeowner; head of household
Refers to the person who owns the house they live in, or the head of a household. Not necessarily a landlord.
彼はその家の家主だ。
He is the owner of that house.
家主として、家族を守る責任がある。
As the head of the household, he has a responsibility to protect his family.
I talked to the landlord about the water leak.
I heard the landlord is raising the rent starting next month.
You need to get the landlord's permission to keep a pet.
Obsolete kana reading. Not used in modern Japanese.