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
(..) I've drawn first blood. I decapitated the Dornish snake. My armada owns the Narrow Sea. Euron Greyjoy's armada owns the Narrow Sea. Euron Greyjoy is loyal to me. For now. Daenerys Targaryen has three full-grown dragons. How well do wooden ships fare against fire-breathing dragons? (..)2017 TvShow: Game of Thrones Title: The Queen's Justice Season: 7 Episode 3
(..) - Man #: Murderers! ( applause ) ( grunts ) My queen, please accept this gift on behalf of all of your loyal subjects in the Iron Islands. ( both grunt, gasp ) I give you what no other man could give... justice. (..)2017 TvShow: Game of Thrones Title: The Queen's Justice Season: 7 Episode 3