He 'abandoned' the principles that he once fought hard to defend.
He 'abandoned himself to' despair. [=he was overcome by despair]
The child had been 'abandoned' (by his parents) as an infant.
(..) - Nothing. Look, well, there is good farmland in the Gift. Land that no one uses now. A dozen abandoned villages. And why do you think the farmers abandoned those villages? Cut them down just like they did this boy's people. Aye! (..)2015 TvShow: Game of Thrones Title: Kill the Boy Season: 5 Episode 5