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-- I don't know, my lord. They-- they never told me much. My sister's men are loyal to her. Not all those are your sister's men. Some of them are loyal to your father. What is it? (..)2013 TvShow: Game of Thrones Title: And Now His Watch Is Ended Season: 3 Episode 4