B2 noun/adjective /kənˈstɪtʃuənt/
constituent
構成要素 / 有権者
Meaning
Noun: A member of a constituency or an essential part of something. Adjective: Being a necessary part of a whole.
Example
The senator met with his constituents to discuss local issues.
上院議員は地元の問題を議論するために選挙区の有権者と会いました。