In Korean tradition, dreaming of a foreigner is read as mixed. It is most often tied to 직장, 전반.
Foreigners and foreign lands are unfamiliar ground and new openings. Getting on with them was read as new ties and paths; failing to communicate, difficulty being understood.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream