I thought I already answered this question.
By definition you are not Christian if you do not believe Jesus is who he claimed to be. You may say you are Christian, but if you deny Christ, you are not.
Chris·tian /ˈkrɪstʃən/ Show Spelled
[kris-chuhn] Show IPA
–adjective
- of, pertaining to, or derived from Jesus Christ or His teachings: a Christian faith.
- of, pertaining to, believing in, or belonging to the religion based on the teachings of Jesus Christ: Spain is a Christian country.
–noun
- a person who believes in Jesus Christ; adherent of Christianity.
- a person who exemplifies in his or her life the teachings of Christ: He died like a true Christian.
John 10:30, “I and the Father are one.” The Jews understood the language being spoken and therefore were able to understand exactly what Jesus meant. They responded by wanting to kill him:
“‘We are not stoning you for any of these,’ replied the Jews, ‘but for blasphemy, because
you, a mere man, claim to be God’” (John 10:33).
To be Christian means you follow the teachings of Christ. To follow Christ you must believe what he claimed is true.
Jesus is God incarnate and we know what what he taught about himself because it is found in Scriptures - plain and clear.
If someone claims to be Christian, but does not believe everything Jesus taught about himself, then that person is christain in name - only.
Summarized from Scriptures:
Gen 1:1 In the beginning God created the heaven and the earth.
& John 1-1 In the beginning was the Word, and the Word was with God, and the Word was God.
Isa 9:6 For to us a child is born, to us a son is given, and the government will be on his shoulders. And he will be called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace. John 3:16 For God so loved the world, that he gave his only begotten Son,
Isa 7:14 Therefore the Lord himself will give you a sign: The virgin will be with child and will give birth to a son, and will call him Immanuel. Luk 1:35 And the angel answered and said unto her, The Holy Ghost shall come upon thee, and the power of the Highest shall overshadow thee: therefore also that holy thing which shall be born of thee shall be called the Son of God.
Etc.
Jesus said, He said to them, “This is what I told you while I was still with you: Everything must be fulfilled that is written about me in the Law of Moses, the Prophets and the Psalms.” Luke 24:44