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G1200

δεσμοφύλαξ

desmophýlax /des-mof-oo'-lax/ Ask about this word
from δεσμόν and φύλαξ
a jailer (as guarding the prisoners)
jailor, keeper of the prison.

Word Study

In depth

A plain-language study of desmophýlax — the range of meaning it carries, how Scripture actually uses it, and where it points. Written for readers who don’t know the original language.

Core Meaning & Semantic Range

The Greek word desmophýlax, represented by G1200, is a compound term defined as a jailer or keeper of the prison. Derived from words for a bond or captive (δεσμόν) and a guard (φύλαξ), it appears 3 times in 3 unique verses. Its usage is confined to a single narrative, where it identifies the individual responsible for guarding prisoners.

Biblical Occurrences & Contextual Analysis

In the biblical narrative, G1200 appears exclusively in the account of Paul and Silas's imprisonment in Philippi. The term is first used when the magistrates command the jailor to guard the apostles securely after they had been beaten Acts 16:23. Later, after an earthquake opens the prison doors, the keeper of the prison awakens and, assuming the prisoners have escaped, prepares to take his own life Acts 16:27. Finally, the same keeper of the prison acts as a messenger, relaying the magistrates' order for Paul and Silas to be released Acts 16:36.

Related Words & Concepts

Several related words provide context for the role of the G1200:

  • G1198 désmios (a captive): This describes those under the jailer's watch. The jailer's panic is driven by the supposition that the prisoners had fled Acts 16:27. Paul later uses this same word to describe himself as "the prisoner of the Lord" Ephesians 4:1.
  • G5083 tēréō (to guard, keep): This verb defines the jailer's specific duty. He was explicitly charged to keep Paul and Silas safely Acts 16:23. The word also carries a broader meaning of observing commands, as in "keep my commandments" John 14:15.
  • G5438 phylakḗ (a guarding, prison): This noun refers to the jailer's place of work. Paul and Silas were cast into prison Acts 16:23, and it was the sight of the open prison doors that caused the jailer's distress Acts 16:27.

Theological Significance

The significance of G1200 is concentrated within the specific events of Acts 16.

  • Accountability and Duty: The jailer's role is one of strict duty. He is charged to "keep them safely" Acts 16:23, and his immediate impulse to kill himself upon seeing the open doors highlights the severe consequences he faced for failing in this duty Acts 16:27.
  • Witness to the Supernatural: The jailer becomes a direct witness to an event beyond his control. He awakens to a scene—open prison doors—that defies normal explanation and points to a power greater than the security of his prison Acts 16:27.
  • Agent of a Reversal: The character who was tasked with imprisoning Paul and Silas becomes the very person to announce their freedom, demonstrating a sudden reversal of their circumstances Acts 16:36.

Summary

In summary, G1200 is a highly specific term whose meaning is entirely contained within its role as jailer. Though its usage is rare, the character it describes is pivotal. The keeper of the prison in Acts is not merely a background figure but one whose actions and reactions—from dutifully imprisoning the apostles to despairing at their apparent escape—frame a powerful demonstration of divine intervention that overwhelms human authority and physical restraints.

How the KJV Renders It

Translation

Strong’s lists the renderings but not their weight. These are counted from the King James text of the tagged verses — the bar under each is how often the translators actually reached for it. Select one to filter the occurrences below.

Grammatical Forms

Morphology

In the Greek New Testament, this word appears as a noun across 3 occurrences, inflected in 2 grammatical forms — each row is one form, and the bar is how often it is that form.

  • Nominative Singular Masculine
  • Dative Singular Masculine
Nominative
The subject of the verb.
Dative
The indirect object — often "to" or "for".
Singular
One.
Masculine
Masculine grammatical gender.

Related Words

Related

Other entries the study above points to — each one is drawn from a reference it makes. Follow the trail to see how the words connect.

Theographic Context

Context

The people, places, and span of history the verses containing this word touch on — drawn from the theographic tagging of Scripture. Select any name to isolate its verses in the occurrence list.

Biblical Distribution

Distribution

3 verses, all in Acts — and none of the other 26 New Testament books.

Every Occurrence

Concordance

Every verse where the word is tagged in the King James text. Filter by book, by the English word the translators chose, or search within the verses.

Sources. Definition and numbering: James Strong, Exhaustive Concordance of the Bible (1890). Morphology: STEPBible / Tyndale House (CC BY). Verse tagging: the King James text keyed to Strong’s numbers. Every count on this page is computed from the tagged corpus, not estimated.