means any person, including the State, who employs an employee, and includes—
(a) | any person controlling the business of an employer; |
(b) | if the services of an employee are lent or let or temporarily made available to some other person by his employer, such employer for such period as the employee works for that other person; |
(c) | a labour broker who against payment provides a person to a client for the rendering of a service or the performance of work, and for which service or work such person is paid by the labour broker; |