Strong’s G5506: A military commander of 1000 soldiers in Roman army organization, derived from χίλιοι (thousand) and ἄρχω (to rule). The term represents both military and civil authority, particularly significant in New Testament accounts of Roman military interactions with early Christians.

U- Unveiling the Word

The χιλίαρχος held a position of significant military authority in the Roman army, commanding approximately 1000 soldiers (a cohort). This role carried both military and civil responsibilities, especially in maintaining order and representing Roman authority. In New Testament contexts, the χιλίαρχος often appears in pivotal moments of interaction between Roman authority and the early church, particularly in Acts where they play crucial roles in Paul’s protection and legal proceedings. Their presence in Scripture illuminates the complex relationship between early Christianity and Roman governance, demonstrating how God’s sovereignty worked through existing power structures to protect and advance His kingdom purposes.

N – Necessary Information

• Greek Word: χιλίαρχος, chiliarchos, /khil-ee’-ar-khos/
• Detailed pronunciation: khi (as in ‘key’) + lee + ar (as in ‘are’) + khos (guttural ‘h’ sound)
• Part of Speech: Noun

Etymology:

• χίλιοι (chilioi) – thousand
• ἄρχω (archō) – to rule/lead
• -ος (-os) – nominative masculine singular ending

D – Defining Meanings

• Military commander of 1000 soldiers
• Tribune of Roman cohort
• High-ranking military official

For compound words:
χίλιοι (thousand) + ἄρχω (to rule) combines to create “ruler of a thousand,” reflecting the military command structure

Translation Options:

• Military tribune – Most precise in Roman military context
• Commander – General leadership term suitable for modern readers
• Chief captain – Traditional translation emphasizing authority level

E – Exploring Similar Words

• στρατηγός (stratēgos) /strat-ay-gos/ – general military commander See G4755
• ἑκατοντάρχης (hekatontarchēs) /hek-at-on-tar’-khace/ – commander of 100 See G1543
• ἄρχων (archōn) /ar’-khone/ – ruler, commander See G758

R – Reviewing the Word’s Morphology

Noun Features:

• Case: Nominative, Genitive, Dative, Accusative
• Number: Singular, Plural
• Gender: Masculine
• Declension: Second

The word follows standard second declension patterns:
Singular: χιλίαρχος, χιλιάρχου, χιλιάρχῳ, χιλίαρχον
Plural: χιλίαρχοι, χιλιάρχων, χιλιάρχοις, χιλιάρχους

S – Studying Lexicon Insights

The comprehensive lexical analysis reveals χιλίαρχος as a technical military term that gained specific significance in Roman administrative contexts. BDAG emphasizes its official military designation, while Thayer’s expands on its civil authority aspects. LSJ provides classical usage examples showing its evolution from purely military contexts to broader administrative roles. Vine’s notes its metaphorical usage in Revelation, where it represents earthly authority subject to divine judgment. Moulton and Milligan’s papyri evidence confirms its consistent usage in official military documents, demonstrating its technical precision in administrative contexts.

T – Tracing the Scriptures

First appearance:
Mark 6:21: “On a strategic day when Herod gave a feast for his nobles, the commanders [χιλίαρχος], and the leading men of Galilee”

Additional References:
John 18:12, Acts 21:31, Acts 21:32, Acts 21:33, Acts 22:24, Acts 22:26, Acts 22:27, Acts 22:28, Acts 22:29

A – Analyzing Classical Usage

N – Noteworthy Summary

The χιλίαρχος represents more than just military authority; it exemplifies how God used Roman administrative structures to protect and advance His kingdom purposes. In Acts, we see how a χιλίαρχος protected Paul from mob violence, enabling him to continue his ministry and eventually reach Rome with the gospel. This demonstrates how the Messiah’s sovereignty operates through existing power structures, even those that might seem opposed to His purposes, to accomplish His will and protect His people.

D – Did You Know?

1. The χιλίαρχος was equivalent in rank to a modern lieutenant colonel or colonel
2. In the Septuagint, the term was used to translate Hebrew military ranks dealing with thousand-unit commanders
3. The position required both military expertise and diplomatic skills, as they often dealt with civilian authorities

Strong’s G5506: A military commander of 1000 soldiers in Roman army organization, derived from χίλιοι (thousand) and ἄρχω (to rule). The term represents both military and civil authority, particularly significant in New Testament accounts of Roman military interactions with early Christians.

Part of speech: Noun

Tags: military, authority, Roman army, leadership, commander, tribune, cohort, thousand, ruler, Acts, Paul, protection, divine providence​​​​​​​​​​​​​​​​