John 9:36

“He answered and said, etc.] That is, “he that was healed”, as the Syriac version reads: who is the Lord that I might believe in him? which shows, that though he knew there was a Messiah expected, and he believed in him as to come, yet he knew not that he was already come, nor the particular person in human nature, who was the Messiah, and the Son of God; even though he had been cured of his blindness by him, and had vindicated him, and pleaded for him before the sanhedrim, and had also suffered for him; which makes it appear, that Christ does many and great things for his people before they know him: nor does their interest in him, in his favour, and in the blessings of his grace, depend…”

“He answered and said, Who is he, Lord, that I may believe on him?--"His reply is affirmative, and believing by anticipation, promising faith as soon as Jesus shall say who He is" [STIER].”

“Who is he? - It is probable that the man did not know that he who now addressed him was the same who had healed him. He had not yet seen him John 9:7, but he was prepared to acknowledge him when he did see him. He inquired, therefore, who the person was, or wished that he might be pointed out to him, that he might see him. This passage shows that he was disposed to believe, and had a strong desire to see and hear the Son of God. Lord - This word here, as in many other instances in the New Testament, means “Sir.” It is clear that the man did not know that it was the Lord Jesus that addressed him, and he therefore replied to him in the common language of respect, and asked him to point out to…”

“Who is he, that I may believe? - This implies some degree of faith already. He was ready to receive whatever Jesus said. John 9:37”

“Who: Joh 1:38; Pro 30:3, Pro 30:4; Sol 5:9; Mat 11:3 John 9:37”