For migrant workers Jan Breman has used the term:

NCERT (2025-26): “4.5 Circulation of Labour … Migrant workers come mainly from drought-prone and less productive regions, and they go to work for part of the year on farms in Punjab and Haryana, or on brick kilns in U.P., or construction sites in cities such as New Delhi or Bangalore. These migrant workers have been termed ‘footloose labour’ by Jan Breman, but this does not imply freedom. Breman’s (1985) study shows, to the contrary, that landless workers do not have many rights, for instance, they are usually not paid the minimum wage.…”