Θα πρότεινα να μπει με επεξήγηση, π.χ.
Για όσους μισθοδοτούνται από τρίτους και όχι από τον δημόσιο οργανισμό (π.χ. το Εθνικό Σύστημα Υγείας) που τους απασχολεί.


What is an honorary contract?
An honorary contract is prepared when an employee of another organisation is coming to do a period of work/research/training within the organisation, but will not be paid directly by the organisation.

When is an honorary contract required?
Honorary contracts are required for Individuals who do not have any contractual arrangements with the NHS; but are undertaking research, training, or carrying out activities in the organisation - which could have a direct bearing on the quality of patient care or a direct bearing on the quality or extent of prevention, diagnosis or treatment of illness or foreseeably cause injury or loss to an individual, to whom the organisation has a duty of care.
https://www.bfwh.nhs.uk/onehr/recruitment/honorary-contracts...