He kept telling Harry half-truths (or nothing at all), he sent him to the Dursleys, he let Snape abuse Harry, he kept sending (luring) Harry into deadly danger...
In the beginning of Harry Potter and the Deathly Hallows (the book) Harry has both the cloak and the resurrection stone ( the stone's in the snitch) and Dumboldore has the wand with him in his grave
To get her daughter Luna back from the Death Eaters.
He is killed by Severus Snape with the Avada Kedavra Killing Curse on his own orders after placing on his finger the ring cursed by Lord Voldemort.
No because, he dies at the end of Order of the Phoenix.
Don't tell him the secret, or he'll betray you and tell the others. Traitors are individuals who betray their homeland.
Betray is a verb.
Ziva does not betray NCIS?
When Men Betray was created in 1929.
Betray has two syllables.
We don't know. It's possible that he had been forced to join the Dark Side, and then he had to do worse and worse things.
The root word for betray is "traitor," which comes from the Latin word "traditor" meaning "one who delivers."
I don't think he will ever betray the village