She has provided the company with many years of 'loyal' service.
She has remained/stayed 'loyal to' her old friends.
has served 'loyally' for many years
(..) Please, Dany. We can't hide behind small mercies. The world we need won't be built by men loyal to the world we have. The world we need is a world of mercy. It has to be. And it will be. It's not easy to see something that's never been before. (..)2019 TvShow: Game of Thrones Title: The Iron Throne Season: 8 Episode 6
(..) She is the queen. I'm sorry it came to this. And your sisters? Do you see them bending the knee? My sisters will be loyal to the throne. Why do you think Sansa told me the truth about you? Because she doesn't want Dany to be queen. (..)2019 TvShow: Game of Thrones Title: The Iron Throne Season: 8 Episode 6