St. Andrew was a disciple of St. John the Baptist.
Neither, as it was Simon Peter as Andrew's brother.
Andrew had been a disciple of John the Baptist and was given an order from John to follow Jesus instead of him.
The word Baptist is indicated in biblical text 15 times, all in relation to John the Baptist.
John the Baptist was a prophet who baptized Jesus and prepared the way for his ministry. He was a cousin of Jesus and recognized him as the Messiah.
St. Andrew, the brother of Peter.
The story is found in John 1:35-42. It is believed that the two disciples of John the Baptist (the John mentioned in :35 was John the Baptist) were John who became an apostle and Andrew who also became an apostle. Andrew's brother was Simon (Peter) who was the son of Jonah (not John).
Andrew
peter and andrew, also disciples and apostles of Jesus
Andrew and Peter
Jesus chose Andrew as a disciple because he was a fervent follower of John the Baptist and was seeking the Messiah. Andrew demonstrated faith and a willingness to learn from Jesus, making him a suitable candidate to be one of the twelve apostles. Additionally, Andrew played a key role in bringing others to Jesus, including his brother Peter.
Apostle Andrew was a disciple of John the Baptist, who started to follow Jesus when John made it known who Jesus is. Read John 1:29-40