Strong's G4955 — συστασιαστής (noun)
sustasiastes (soos-tas-ee-as-tace') n.
1. a fellow-insurgent
[from a compound of G4862 and a derivative of G4714]
KJV: make insurrection with 
Root(s): G4862, G4714 
Hebrew root: στάσις
Occurrences: 1