Occupation

Occupation could mean:

In business:
Employment, a person's job or work in service of an employer
Profession, an occupation that requires special education and training.  For example, law, medicine, or theology.
Vocation, an occupation pursued more for altruistic benefit than for income
Career, a person's occupational history
Day job, an occupation solely for income, while pursuing another preferred career track
Standard Occupational Classification System, developed and used by the U.S. government

In a military context:
 Military occupation, control of a territory by a military force
 Occupied territory
 Law of occupation, the laws of war which relate to military occupation
List of military occupations, notable historical instances of military occupation

Elsewhere:
 Occupation (protest), the temporary forceful occupation of a building, space or symbolic site
Occupancy, use of a building for shelter or support of persons, animals, or property
Occupation 101, 2006 documentary movie about the Israeli-Palestinian conflict
Occupation: Dreamland, documentary movie about 82nd Airborne in Iraq
Occupation Double, a Canadian reality television show
"Occupation" (Battlestar Galactica), an episode in the third season
Occupation: Foole, comedy album by George Carlin
"The Beautiful Occupation", song by the band, Travis