The term 'Kind of Citizen' can be summarized by two crossword solutions: DUAL (4 letters) and SENIOR (6 letters). DUAL refers to a person who holds DUAL citizenship, meaning they are legally recognized as citizens of two different countries. SENIOR refers to an elderly citizen, typically someone over the age of 65. Both terms refer to a specific type of citizen, with DUAL referring to a citizen of two countries and SENIOR referring to an elderly citizen.