The same language is used neither of Muhammad nor of any one else. Why is this, except because 
Christ is superior to all other prophets?
118. M. He is a servant of God and an apostle, but no more.
C. He is that, but also much more. In Isa. liii. 11 He is styled God's servant, but the   
expression is "My righteous servant," because He was the only one of the prophets   
who was without sin, as the Qur'an acknowledges. In Phil. ii. 6, 7, we are told that He was   
much more than this originally, but "took upon Him the form of a servant" for your   
salvation and for mine. The Qur'an agrees with the Bible in stating that He was much more than a   
servant of God and an apostle of God, for in Surah IV., An Nisa, 169, He is called "An apostle   
of God and His   
Word (