The slaves were 'ruthlessly' abused by their owners.
The journalist was 'ruthless' in his criticism.
a 'ruthless' killer
(..) new and better world, I'm not sure deceit and mass murder are the best ways to start. Which war was won without deceit and mass murder? Yes, you'll need to be ruthless if you're going to win the throne. You need to inspire a degree of fear. But fear is all Cersei has. It's all my father had... (..)2017 TvShow: Game of Thrones Title: Beyond the Wall Season: 7 Episode 6