John 1:41

Messiah : a title of divine appointment given to Jesus, the son of God

Simon : a son of Jonas and brother of Andrew; an apostle of Jesus Christ,a man who was one of the apostles of Christ and also called 'the Zealot',a brother of Jesus,a man who was a well-know victim of leprosy who had been healed by Jesus (NIV note),a man from Cyrene who was forced to carry the cross of Jesus,a Pharisee man in whose house Jesus' feet were washed with tears and anointed,the father of Judas Iscariot,a man who was a sorcerer in Samaria and who wanted to buy the gifts of the Spirit,a man who was a tanner at Joppa and with whom Peter was staying when Cornelius sent for him

John 1:49

Israel : a citizen of Israel.,a member of the nation of Israel

Nathanael : a man who was one of the disciples of Christ

Rabbi : a title given to teachers and others of an exalted position