"worker"

means—

(a) any person who works or worked for another person or for the State; or
(b) any other person who in any manner assists or assisted in carrying on or conducting or conducted the business of an employer or client, as an independent contractor, consultant, agent; or
(c) any person who renders services to a client while being employed by a temporary employment service

[Definition inserted by section (1)(g) of Notice No. 768, GG 41016, dated 2 August 2017]