> I do not know the correct wording in English for this but I am legally > licensed as an individual to offer software consulting services and to > develop software. > > So the so-called employer is really my client, with whom I have signed > a contract for consulting services.
If you have exactly one client, then I would treat them as an "employer" for this purpose and get a disclaimer from them. If you have multiple clients, I'd suggest asking the FSF directly since this is a potentially tricky situation.