This is the 616th most frequent Swedish word.
ägaren
The owner.
Here 'ägaren' is used in the genitive case to denote possession, describing that the owner is linked to 'the house'.
Ägaren till huset välkomnade oss.
The owner of the house welcomed us.
In this sentence, 'ägaren' refers to an individual owning the car or responsible for it.
Vi pratade med ägaren om bilens servicehistorik.
We spoke with the owner about the car's service history.
Here 'ägaren' signifies a person possessing or overseeing 'the company', linked by the possessive nature.