A person, often a man, who owns a building or piece of land and rents it out to others.
"The landlord increased the monthly rent by ten percent."
The owner or manager of a pub or inn.
"The landlord greeted the regulars warmly as they entered the pub."
A person, regardless of gender, who owns a property and rents it out to tenants.
"The landlord is responsible for maintaining the heating system in the apartment."