treasonable

Example:He was a loyal servant to his king and never wavered in his duty.

Definition:True in allegiance or duty; faithful and supportive particularly of a person, organization, or cause; steadfast.

Example:She was a patriotic citizen who proudly served in the military.

Definition:Having or showing love, devotion, or other beneficial allegiance to one's country; loyal to one's country and having a deeply held belief in its virtues or importance.

Example:His faithful adherence to his principles never wavered.

Definition:Steadfast in adherence to a commander or employer; loyal; trustworthy; constant in affection or allegiance; not false or treacherous; steady or constant, especially in regard to beliefs, causes, or relationships.