Seeing an elderly Zoroastrian is interpreted as an enemy.
Seeing oneself become a Zoroastrian signifies a grave sin. The source says that such a person belittles Islam by swearing a false oath that incurs God's wrath and thereby prepares his own ruin. Worshipping fire signifies service to the ruler, because fire is interpreted as the ruler. If the fire seen in the dream has motionless smoke, the dream signifies unlawful property.