1. As a purely military title, "captain" answers to sar in the Hebrew army and tribune in the Roman. The captain of the guard in ( Acts 28:16 ) was probably the prefectus pratorio .
2. Katsin , occasionally rendered captain, applies Sometimes to a military, ( Joshua 10:24 ; Judges 11:6 Judges 11:11 ; Isaiah 22:3 ; Daniel 11:18 ) sometimes to a civil command, e.g. ( Isaiah 1:10 ; 3:6 )
3. The captain of the temple, mentioned ( Luke 22:4 ; Acts 4:1 ; 5:24 ) superintended the guard of priests and Levites who kept watch by night in the temple.