stalwart

(noun) a person who is loyal to their allegiance (especially in times of revolt). Synonyms: loyalist.

(adj) having rugged physical strength; inured to fatigue or hardships. Synonyms: hardy, stout, sturdy. Examples: "Hardy explorers of northern canada." "Proud of her tall stalwart son." "Stout seamen." "Sturdy young athletes."

(adj) dependable. Synonyms: stout. Examples: "The stalwart citizens at lexington." "A stalwart supporter of the un." "Stout hearts."

(adj) used especially of persons. Synonyms: stouthearted. Examples: "A stalwart knight." "A stouthearted fellow who had an active career in the army."