Strong's G4791 — συγκοινωνός (adjective)
sugkoinonos (soong-koy-no-nos') adj.
1. a co-participant
[from G4862 and G2844]
KJV: companion, partake(-r, -r with) 
Root(s): G4862, G2844 
Hebrew root: κοινωνός
Occurrences: 4