The Book of DieselThe Light Before the Gospel“After a flood, Zarathustra called everyone who repaired the bridge a helper. The title was given to carpenters, children carrying rope, widows cooking for workers, and a former thief who returned stolen tools.”
The Book of Diesel · Gospel Threshold Edition v4.5
Historically anchoredThe setting or public event is documented; dialogue, motives, and recurring characters are invented.
In the Gathas, forms of the term Saoshyant can refer to beneficial or helping persons, including contemporary figures.
The gathering and dialogue are fictional.