occupation

the act of occupying or taking possession of a building

“occupation of a building without a certificate of occupancy is illegal”

the control of a country by military forces of a foreign power

the principal activity in your life that you do to earn money

any activity that occupies a person's attention

“he missed the bell in his occupation with the computer game”

the period of time during which a place or position or nation is occupied

“during the German occupation of Paris”