Which of the following is a Japanese word for foreigners?

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

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

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

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.