What does クリスチャン mean?
クリスチャン is a Japanese noun meaning “Christian” in English. It is written as クリスチャン in hiragana, and kurisuchan in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
いかにも敬虔なるクリスチャンが送る、礼節重き言葉です。
So characteristic of what a pious Christian would say, this courteous phrase.