Passport Portraits of Yesteryear No. 10

Continuing the series of passport photographs from my collection.
Peruse and wonder.

Robert Rondel, a 23 year old Frenchman working in Germany in 1943.

This is his photograph on the Alien's Passport that the German authorities issued to him to enable him to travel within Germany and abroad.

But surely, in 1943 France and Germany were at war? Yes, they were but Germany needed manpower and so recruited workers from the countries it had occupied.

Some went voluntarily, some were forced.

I wonder which category Robert Rondel fell into?