B2 noun/adjective /kənˈstɪtʃuənt/
constituent
Bestandteil / Wähler
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.
Der Senator traf sich mit seinen Wählern, um lokale Probleme zu besprechen.