There is divergent opinion about Comforter (Greek; Paracletos) predicted by Jesus Christ (John;16:7) among Christian and Muslim scholars, weather it is about Holy Ghost or Prophet Muhammad. Both claims are being analysed here:
Jesus through parables said: “Therefore I say unto you, The kingdom of God shall be taken from you, and given to a nation bringing forth the fruits thereof.”(Matthew;21:43),“Salt is good: but if the salt has lost its taste, how shall it be restored? It is neither fit for the land, nor yet for the dung hill; but men cast it out. He that has ears to hear, let him hear”(Luke;14:34-35, also Mathew;5:16, Mark;9:50). “What shall therefore the lord of the vineyard do? he will come and destroy the tenants, and will give the vineyard unto others.”(Mark;12:9).This may also be linked with: “Open the gates, that the righteous nation which keeps the truth may enter in”(Isaiah;26:2).
These parables apply to the Jews. They had been the children of the kingdom, or under the reign of God; having his law, and acknowledging him as King. They had been his chosen and peculiar people. But he says that now this privilege should be taken away, and they cease to be the peculiar people of God; and the blessing should be given to a nation who would bring forth the fruits thereof, or be righteous. Keeping in view the Covenant with Abraham (Genesis;12:2,3, 17:10-12, 17:20-21), it obviously refers to the Children of Ishmael, to keep the leadership within the progeny of Abraham.
Spirit of Truth, Glorify Jesus:
“I have yet many things to say unto you, but ye cannot bear them now. Howbeit when he, the Spirit of truth (referring to Muhammad) is come, he will guide you unto all truth: for he shall not speak of himself; but whatsoever he shall hear, that shall he speak: and he will show you things to come. He shall glorify me”(John; 16:12-14). [Prophet Muhammad (PBUH) spoke verbatim the revelations received through angel Gabriel, (Qur’an), he also glorified Jesus Christ]
Paracletos :“And I will pray the Father, and he shall give you another Comforter (Paracletos), that he may abide with you forever.”(John; 14:16). [Prophet Muhammad (pbuh) delivered the message of God, (Qur’an), which is available to Christians and all the humanity in original uncorrupted form for their peace and comfort till eternity.]
Witness to the Truthfulness of Jesus:
“But when the Counselor comes, whom I shall send to you from the Father, even the Spirit of truth, who proceeds from the Father, he will bear witness to me;” (John; 15:26). [Prophet Muhammad (pbuh), bore witness of truthfulness of Jesus as messenger of God, he also glorified Jesus Christ]
The Comforter to Come after Jesus Christ:
“Nevertheless I tell you the truth; It is expedient for you that I go away: for if I go not away, the Comforter will not come unto you; but if I depart, I will send him unto you.”(John;16:7). [Prophet Muhammad (pbuh), came six centuries after departure of Jesus Christ]
Referring these prophesies to ‘Holy Ghost’ is irrelevant, because as per Christian theology ‘Holy Ghost’ was already present (dove upon Jesus) and is considered as one of Trinity. Moreover what ‘new thing’ ‘Holy Ghost’ has brought after departure of Jesus Christ in last 2000 years? (‘Holy Ghost’ is believed to be guiding the Churches).
All these prophesies are clearly applicable to Prophet Muhammad (peace be upon him). As explained earlier, Ahmed” or “Muhammad” meaning “the one who praises” or “the praised one” is almost the translation of the Greek word par-ak’-lay-tos; Periclytos. In the Gospel of John;14:16, 15:26, and 16:7, Jesus (peace be upon him) actually prophesized “Ahmed” by name, word ‘Comforter’ in Greek Paracletos, Periclytos refers to Prophet Muhammad (peace be upon him). Allah says in Qur’an: “Those to whom We have given the Scripture (their scholars) recognize this (Muhammad) as they know their own sons. Those who have lost their own souls refuse therefore to believe.”(Qur’an;6:20), “And remember, Jesus, the son of Mary, said, ‘O Children of Israel! I am the messenger of Allah (sent) to you, confirming the Law (which came) before me and giving glad tidings of a messenger to come after me, whose name shall be Ahmed.’ But when he came to them with clear signs, they said, ‘This is evident sorcery!”(Qur’an; 61:6). Ye People of the Book! Why do ye clothe truth with falsehood and conceal the truth while ye have knowledge?”(Qur’an;3:71).