Which of the following is a Japanese word for foreigners?

when I lived in Japan years ago, I was told it meant "fish eyes", which was how the Japanese saw gaijin.

This was process of elimination my son loves all things Japanese and often uses Japanese greetings so those words I recognised

The literal & accurate translation from the Japanese is ‘ Red haired Barbarian’ it goes back to 1600 when Will Adam’s - Scots sailor with red hair arrived in Japan.

Mary, not true in kanji. cannot be confused so someone was being mischievous