This is the 11348th most frequent German word.
sozius
A "sozius" is a passenger or companion seated on the back of a motorcycle or similar vehicle.
Here, the word 'Sozius' refers to a passenger on a motorcycle, highlighting its use in describing someone accompanying the rider.
Der Sozius auf dem Motorrad trägt immer einen Helm.
The passenger on the motorcycle always wears a helmet.
In this context, 'Sozius' is used to express being a second rider on a vehicle, emphasizing the perspective of the companion.
Als Sozius fühlt man sich manchmal unsicher, wenn der Fahrer zu schnell fährt.
As a pillion rider, one sometimes feels insecure when the driver drives too fast.
Here, 'Sozius' pertains to the second participant in riding a tandem bicycle, specifically the one not steering.