Source: The Great Interpretation of Dreams (Ibn Sirin)
A young man in a dream is an enemy. An unknown young man is a strong enemy. A white (skinned) young man is a hidden enemy, and a black (skinned) one is a rich enemy.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
A young man indicates strength and activity. Whoever sees himself becoming a young man, his affair will be renewed and strengthened.
Source: Signs in the Science of Expressions (Ibn Shaheen)
A young man is interpreted as an enemy. Whoever sees himself fighting him is fighting an enemy.