Perhaps he was a bit of both. Clearly, his primary association among the canonical Gospels is that of being a traitor, although the "handing over" of Jesus to the authorities is not necessarily to be rendered as a "betrayal" in the Greek.
As we celebrate Pride Month and the anniversary of the Stonewall uprising by LGBT bar patrons fighting back against the police, who were trying violently to arrest them, I wonder why more liberals and progressives don't seek to learn about a fascinating ancient theology called Gnosticism.
My sense of the meaning of Shavuot, a Jewish holiday that begins in the evening on May 14, has been deeply transformed by an ancient teaching from the Nag Hammadi library, a collection of Gnostic texts.
The Gospel of Thomas is a collection of revolutionary sayings attributed to Jesus. Despite what the Church tells you, it can't be dismissed as the scribblings of a heretic. This is Jesus, raw and uncut.