This is the 8112th most frequent Chinese word.
christian
The Chinese word for "Christian" (基督徒, jīdū tú) refers to a follower or believer in Christianity.
'基督徒' means 'Christian' and is used here to describe someone's religious affiliation.
他是一名虔诚的基督徒。
He is a devout Christian.
'基督教' translates to 'Christianity', referring to the religion itself.
基督教的核心教义是爱与宽恕。
The core teachings of Christianity are love and forgiveness.
'基督教' again refers to 'Christianity', specifically its history in this context.