property
Eigentum is the German word for property. It is used to refer to something that is owned by someone, such as a house, car, or piece of land. The word can also be used more broadly to refer to anything that is owned, including intangible things like intellectual property.
Ownership is a big responsibility.
This German sentence is explaining that being an owner of something (in this context, it can be any property), comes with a great amount of responsibility.
This car is not my property.
This sentence is making clear that the speaker does not own the car in question. 'Eigentum' in this sentence refers specifically to the car.
Property does not always mean freedom.
The sentence is stating that just because you own something doesn't necessarily mean you are free. 'Eigentum' in this context refers to belongings or possessions in general.