1. Contractors, often ex-military personnel, offer their military services to various employers in exchange for compensation.2. The high-risk nature of their work is offset by relatively high salaries, which attracts individuals seeking lucrative employment.3. Contractors are hired by whomever is willing to pay them, including governments, which allows them to operate in a variety of capacities.4. There are instances where governments cannot intervene directly in certain matters and employ contractors to handle these issues, providing solutions for both the government and the contractors.5. Contractors are not always wanted by nations; in fact, there are situations where states may actively employ their services to accomplish certain objectives.