This is the 4219th most frequent Chinese word.
外國人
Foreigner.
In this context, '外國人' is used to refer to a person from a foreign country.
我昨天在餐廳遇到了一位外國人,他從澳大利亞來。
Yesterday at the restaurant, I met a foreigner; he was from Australia.
Here, '外國人' is used to describe a group of people who are not local to the region being discussed.
外國人通常對這裡的文化感到非常有趣。
Foreigners often find the culture here very interesting.
In this sentence, '外國人' is used to contrast individuals from another country with locals.