Chris·tian
/ˈkrisCHən/
adjective
relating to or professing Christianity or its teachings.
"the Christian Church"
noun
a person who has received Christian baptism or is a believer in Christianity.
"a born-again Christian"
Christianity is an Abrahamic monotheistic religion, professing that Jesus Christ was raised from the dead and is the Son of God, whose coming as the Messiah was prophesied in the Hebrew Bible and chronicled in the New Testament. Wikipedia