Strong’s Greek
G4869 — sunaichmalotos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
συναιχμάλωτος
sunaichmalotos — pronounced soon-aheekh-mal'-o-tos
from 4862 and 164; a co-captive:--fellowprisoner. see GREEK for 4862 see GREEK for 164
3 occurrences in the KJV.
Romans 16:7
Salute Andronicus and Junia, my kinsmen, and my fellow-prisoners, who are of note among the apostles, who also were in Christ before me.
Colossians 4:10
Aristarchus my fellowprisoner saluteth you, and Marcus, sister’s son to Barnabas, (touching whom ye received commandments: if he come unto you, receive him;)
Philemon 1:23
There salute thee Epaphras, my fellowprisoner in Christ Jesus;