occupation

noun

1. the principal activity in your life that you do to earn money"he's not in my line of business"
2. the control of a country by military forces of a foreign power
3. any activity that occupies a person's attention"he missed the bell in his occupation with the computer game"
4. the act of occupying or taking possession of a building"occupation of a building without a certificate of occupancy is illegal"
5. the period of time during which a place or position or nation is occupied"during the German occupation of Paris"