Stalwart, loyal (7)
I believe the answer is:
staunch
This clue is a double definition.
'stalwart' is the first definition.
(thesaurus)
'loyal' is the second definition.
(I've seen this before)
(Other definitions for staunch that I've seen before include "Stout" , "Stay - faithful" , "Firm; stem" , "Trustworthy" , "solid" .)