law: Dock Workers (Safety, Health and Welfare) Act, 1986 
  2. Definitions. – 
  In this Act, unless
  
  the context otherwise requires, -
  a.     
  
    “Appropriate
  
  Government” means, in relation to any major port, the Central Government, and,
  
  in relation to any other port, the State Government;
  b.    
  
    “Cargo”
  
  includes anything carried or to be carried in a ship of other vessel;
  c.     
  
    “Chief
  
  Inspector” means the Chief Inspector of Dock Safety, appointed under
  
  sub-section (1) of section 3;
  d.    
  
    “Dock
  
  work” means any work in of within the vicinity of any port in connection with,
  
  or required for, or incidental to, the loading, unloading, movement or storage
  
  of cargoes into or from ship or other vessel, port, dock, storage place of
  
  landing place, and includes-
               
  
   i.        
  
    Work
  
  in connection with the preparation of ships or other vessels for receipt or
  
  discharge of cargoes or leaving port; and
  Chipping,
  
  painting or cleaning, of any hold, tank, structure of- lifting machinery or any
  
  other storage area in board the ship of in the docks;
  a.     
  
  
  b.     
  
  
  c.     
  
  
  d.     
  
  
  e.     
  
   “Dock
  
  worker” means a person employed or to be employed directly or by of through any
  
  agency (including a contractor) with or without knowledge of the principal
  
  employer, whether for remuneration or not, on dock work;
  f.     
  
   “Employer”,
  
  in relation to a dock worker, means the person by whom he is employed of is to
  
  be employed on dock work, whether for remuneration of not:
  g.    
  
   “Principal
  
  employer”, in relation to a dock worker employed or to he employed by or
  
  through any agency (including a contractor), means the person in connection
  
  with those work he is employed or is to be employed by such agency;
  h.     
  
   “Regulation”
  
  means a regulation made under this Act.