This is the 4910th most frequent Korean word.
국민께서
"국민께서" means "the citizens (honorific subject form)" in English.
국민께서 is used as the subject, referring respectfully to the citizens who perform an action (loving and protecting the nation).
국민께서는 항상 나라를 사랑하고 지켜오셨습니다.
The citizens have always loved and protected the nation.
Here, 국민께서 identifies the respectful subject who is capable of action (overcoming difficulties).
국민께서 함께 협력하여 어려움을 극복할 수 있습니다.
The citizens can overcome difficulties by cooperating together.
국민께서 is used to respectfully specify the origins (citizens paying taxes) in this context.