Strong’s Greek
G4847 — sumpolites
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
συμπολίτης
sumpolites — pronounced soom-pol-ee'-tace
from 4862 and 4177; a native of the same town, i.e. (figuratively) co-religionist (fellow-Christian):--fellow- citizen. see GREEK for 4862 see GREEK for 4177
1 occurrence in the KJV.
Ephesians 2:19
Now therefore ye are no more strangers and foreigners, but fellowcitizens with the saints, and of the household of God;