This is the 9400th most frequent Japanese word.
福士
"福士" is a Japanese surname meaning "blessed warrior" or "prosperous samurai."
In this sentence, '福士' is used as a proper name, referring to the person Fukushi.
福士素晴らしい仕事をしていますね。
Fukushi is doing an excellent job, isn't he?
Here, '福士' refers to individuals involved in welfare work, showing its usage as a common noun.
この地域では福士として働いている人が多いです。
In this region, many people work as welfare professionals.
In this instance, '福士' again refers to the concept of a welfare professional, emphasizing its role in society.