Strong's G4869 — συναιχμάλωτος (adjective)
sunaichmalotos (soon-aikh-mal'-o-tos) adj.
1. a co-captive
[from G4862 and G164]
KJV: fellowprisoner 
Root(s): G4862, G164 
Hebrew root: αἰχμαλωτός
Occurrences: 3