In reality, most people are full of hostility and vigilance towards strangers. In the dream, strangers represent
Enemy.
Reference:
Men dream of strangers, which means they will be enemies with their neighbors.
Dreaming of quarreling with strangers means that you will be famous all over the world.
When a man dreams of talking to a stranger, it means that he has been cheated.
When a woman dreams of talking to a stranger, it means quarreling with her husband.
Girls dream of talking to strangers, which means it is difficult to find a suitable partner.
A woman dreams that strangers break into her home, which means it will be stolen.