A Christian is a person who has faith in Jesus Christ as Lord and Savior.
Faith is simply another word for trust or confidence.
Therefore, a Christian is one who has full confidence that through the death and resurrection of Jesus Christ, the only begotten Son of God, she or he have forgiveness of sin and eternal life. The basic explanation of this faith is found in the Apostle and Nicene Creeds. These Creeds united all Christians together in one catholic church. The word catholic means universal and refers to the Universal body of Christ throughout all the world. Presbyterian is one point of theological emphasis.