When used as a noun, supernumerary means a temporary employee, additional society member, or extra manpower, usually in a function which has a temporary contract.
His contributions included the establishment of, and contributions to, various civic and professional organizations concerned with business, industry, manpower, research, health, education and welfare.
Factories, universities, and government agencies were transplanted there from the coastal regions, and fresh manpower, capital, and ideas poured into the province.
The complete cost of operations (warehouse management fees, manpower, transportation, other costs) is billed back at actuals to the client with a service charge between seven and 10 percent.