[spoiler]
1. Saving Julia from Tom Jennings.
2. Making Vicki tell him the dream to put an end to her suffering and torment.
3. Attempts to help Chris find a way to end his werewolf curse.
4. Went back to 1796 to try and save Vicki from being hanged, yet again, as a witch.
5. Saved Quentin (1897) from the clutches of Petofi and Aristede on more than one occasion.
6. Defended Quentin (1840) during Quentin's witchcraft trial.
7. Refused to leave Julia behind in 1995 even after learning she betrayed him to the sheriff.
8. Engaged in I Ching to try and contact Quentin's ghost in an attempt to save David's life.
9. Gave Chris an alibi when Chris was under suspicion of that girl Donna's death.
[/spoiler]
See, Barnabas CAN be selfless when he wants to be.