Occupation (noun)

1. The action or process of occupying a place or space.
2. The control of a country or territory by military force or by a foreign power.

Origin:

Late middle english: from old french ocupacion, from latin occupatio(n-), from occupare "seize, hold".

Examples:

1. Her occupation was as a nurse.
2. The occupation of the city lasted for several months.
3. The occupation of the building by protesters was peaceful.
4. The occupation of the land was done through a legal process.
5. The occupation of the country by foreign forces sparked a revolution.