Her success is 'just reward for' her hard work. [=she deserves her success because of her hard work]
She is 'reaping the rewards' of success. [=is getting all the good things that come with success]
The police are offering a 'reward for' information leading to the capture of the fugitive.
(..) families of their ancestral homes because of the crimes of a few reckless sons. So there's no punishment for treason and no reward for loyalty? The punishment for treason is death. Smalljon Umber died on the field of battle. Harald Karstark died (..)2017 TvShow: Game of Thrones Title: Dragonstone Season: 7 Episode 1