### Core Meaning & Semantic Range
The Greek word **pistós**, represented by `{{G4103}}`, describes something or someone that is **trustworthy** or **trustful**. It appears **67 times** across **62 unique verses** in the Bible. Based on its origin, it carries the dual meaning of being objectively **trustworthy** and subjectively **trustful**, and is translated as faithful, believing, sure, and true.
### Biblical Occurrences & Contextual Analysis
In the biblical narrative, `{{G4103}}` is used in several key contexts. It describes the unchanging character of **God** `{{G2316}}`, who is **faithful** and will not allow believers to be tempted beyond what they can bear [[1 Corinthians 10:13]]. Christ is identified as the **faithful** witness ([[Revelation 1:5]], [[Revelation 3:14]]) and is even named **Faithful** and True [[Revelation 19:11]]. The word also describes a quality required of believers, who are to be **faithful** servants [[Matthew 25:21]] and stewards [[1 Corinthians 4:2]]. It is also used to affirm the reliability of a teaching, as in the recurring phrase, "This is a **faithful** saying" [[1 Timothy 1:15]].
### Related Words & Concepts
Several related words expand upon the concept of trustworthiness and belief:
* `{{G4100}}` **pisteúō** (to have faith... believe... commit to trust): This verb is the action of placing trust. It is used to describe those who have **believed** in God and are to maintain good works, a teaching affirmed as **faithful** [[Titus 3:8]].
* `{{G4102}}` **pístis** (persuasion... faith, fidelity): This noun signifies the moral conviction that a **faithful** person holds. Timothy is told to be an example for believers in conduct and in **faith** [[1 Timothy 4:12]].
* `{{G569}}` **apistéō** (to be unbelieving... disbelieve): This word provides a direct contrast. Even if "we **believe not**," God remains **faithful** `{{G4103}}` because He cannot deny Himself [[2 Timothy 2:13]].
* `{{G3056}}` **lógos** (something said... word): This term is often paired with `{{G4103}}` to describe a trustworthy teaching or "**faithful** saying," emphasizing a message that can be relied upon [[1 Timothy 1:15]].
### Theological Significance
The theological weight of `{{G4103}}` is immense, defining the character of God and the expectation for His followers.
* **Foundation of Divine Character:** God's nature is described as **faithful**. This attribute guarantees His promises [[Hebrews 10:23]], His protection during **temptation** `{{G3986}}` [[1 Corinthians 10:13]], and His justice in forgiving and cleansing sin [[1 John 1:9]].
* **Christ as the Perfect Embodiment:** Jesus Christ is presented as the ultimate standard of faithfulness. He is the **faithful** witness [[Revelation 1:5]], a **faithful** high priest [[Hebrews 2:17]], and is even given the name **Faithful** [[Revelation 19:11]], linking His very identity to this quality.
* **The Mandate for Believers:** Faithfulness is a core requirement for disciples. It is the quality of a **good** `{{G18}}` and **faithful** servant [[Matthew 25:21]], a necessary attribute for church leaders who must hold fast the **faithful** word [[Titus 1:9]], and a command to those who suffer, to "be thou **faithful** unto death" [[Revelation 2:10]].
### Summary
In summary, `{{G4103}}` **pistós** is far more than a simple descriptor. It is a cornerstone of biblical theology, defining the trustworthy nature of **God** `{{G2316}}` and Jesus Christ. It establishes the believer's security in God's promises and sets the standard for Christian character and service. The word illustrates the reciprocal relationship between God's unwavering faithfulness and the call for His people to be **trustful** and **trustworthy** in response.
TRV