Jesus in Islām
Naturally, when we are speaking about Christianity, we are speaking about the religion that is attributed to ʿĪsá Ibn Maryam, who is referred to as Jesus Christ. Christ, of course, is not his second name, as some erroneously believe. Rather, his name was ʿĪsá and he was the son of Mary.
As Muslims, we believe that ʿĪsá Ibn Maryam was from the greatest of the Prophets and Messengers that Allāh has sent to creation. We believe that he was born miraculously. We believe in the virgin conception. We believe that he carried out miracles while he was alive, and we believe that he ascended to Allāh without being killed.
We do not believe that ʿĪsá Ibn Maryam was a part of God or the Godhead. We do not believe that ʿĪsá Ibn Maryam died on the cross and was then resurrected. We do not believe that he was with Allāh in the beginning of creation nor participated in creating. We do not believe that he was God on earth. Rather, we believe that he was a Prophet and a Messenger, similar to the Messengers of the past, except that he was from the Ulul-ʿAzm: the five major firmly intentioned Messengers, who Allāh commanded the Messenger Muḥammad to remain patient as they were patient. As Allāh has mentioned, “Therefore, be patient (O Muḥammad) as those with firm will and resolution among the Messengers were patient (after they were rejected). Quran Al-Ahqaf 46:35

The Call of Jesus Was the Same as Muḥammad
So the one who looks at the early true message of ʿĪsá Ibn Maryam, he will see that there is no doubt, that his call was the same as the call of the Messenger Muḥammad, and the early followers of ʿĪsá Ibn Maryam are most resemblant to Muslimīn in our time. In terms of their practice, belief, morals and ethics, they are more resemblant to Muslims than they are to proponents of the Christian faith.
Their call revolved around:
1. The belief that Allāh alone is the Creator and Sustainer of creation.Therefore, He alone is deserving of worship.
2. That the greatest sin is Shirk, which is to attribute partners to Allāh in those things that are His Sole Right (such as creation, sustaining creation and being worshipped and called upon etc.).
3. That the Prophets and Messengers all called creation to worship Allāh alone, and not themselves.
4. That they were sent to be an example for mankind.
5. That Jesus was no different in that regard, and thus he never refers to himself as Allāh or part of Allāh, even in the distorted scriptures of the Bible.
6. Salvation is through believing in Allāh and performing righteous deeds and continual repentance.
7. That one needs no intermediaries in order to do so.
8. That our Forgiving Lord does not require a physical sacrifice in order to forgive sin.
9. That no bearer of a burden will bear the burden of another, not ʿĪsá Ibn Maryam—May the peace of Allāh be upon him—or anyone else for that matter. We will all be recompensed for what we have earned.
http://store.mpubs.org/the-origins-and-development-of-modern-christianity-a-brief-analysis-of-how-it-deviated-from-the-true-message-of-jesus-by-ab-ak-m-bil-l-davis/

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