anyone whose main occupation is to transport passengers or goods by road for hire or reward within the meaning of Community legislation under cover of a Community licence or any other professional authorisation to carry out the aforementioned transport, who is entitled to work for himself and who is not tied to an employer by an employment contract or by any other type of working hierarchical relationship, who is free to organise the relevant working activities, whose income depends directly on the profits made and who has the freedom to, individually or through a cooperation between self-employed drivers, have commercial relations with several customers.