What is a "cult" according to mainstream Christianity?

[B-A-C]

In the context of Christianity, the term "cult" can have different meanings depending on who is using it and in what context. Here's a breakdown of how it's commonly understood:

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1. Theological Definition (from mainstream Christianity)​

From a traditional Christian perspective, a cult is typically defined as a religious group that:

• Claims to be Christian but
• Deviates significantly from essential doctrines of biblical Christianity.

These deviations often involve:

• A distorted view of Jesus (e.g., denying His divinity or humanity).
• Extra-biblical revelations (e.g., new scriptures or prophets that override the Bible).
• Authoritarian leadership that discourages questioning or independent thought.
• Unorthodox teachings about salvation, the Trinity, or the nature of God.

Examples often cited (controversially) by some Christian apologists include:

• Jehovah’s Witnesses
• The Church of Jesus Christ of Latter-day Saints (Mormons)
• Christian Science

Note: These groups may not consider themselves cults and often identify as Christian. The label is usually applied from the outside, especially by evangelical or orthodox Christian groups.

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2. Sociological Definition​

Sociologists use the term more neutrally to describe:

• A new or unorthodox religious movement.
• A group with charismatic leadership and high control over members' lives.
• Often isolated from mainstream society or other religious communities.

This definition focuses more on group behavior and structure than on theology.

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3. Popular Usage​

In everyday language, “cult” often carries a negative connotation, implying:

• Manipulation, brainwashing, or abuse.
• Extreme devotion to a leader or ideology.
• Secrecy and control.

This usage is more emotional and less precise, and it can be unfairly applied to groups that are simply different or misunderstood.

 

[Gothedral]

Where's the chapter and verse on "cults" according to The Word?
Besides the synagogue of Satan (Rev 2:9, Rev 3:9), that is.

 

[bdavidc]

The Bible itself does not use the word “cult,” but it clearly warns about false doctrines, false teachers, and spiritual deception. According to Scripture, any group that preaches “another Jesus,” “another gospel,” or operates by “another spirit” is to be rejected (2 Corinthians 11:4). Paul warned in Galatians 1:8–9 that even if an angel from heaven preached a different gospel than the one already revealed, that messenger is to be accursed. A cult, then, by biblical definition, is any group or teaching that departs from the truth of the gospel and leads people away from the authority of God’s Word and the true identity of Jesus Christ.

Jesus said, “Sanctify them through thy truth: thy word is truth” (John 17:17). Any belief system that adds to, subtracts from, or contradicts the written Word of God is deception. Cults often twist Scripture to control people, deny the deity of Christ, reject salvation by grace through faith (Ephesians 2:8–9), or replace the authority of the Bible with man-made teachings. 1 John 4:1 commands us, “Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.”

So from a Sola Scriptura perspective, a “cult” is not defined by size, popularity, or organizational structure, but by whether it aligns with or opposes the gospel of Jesus Christ as revealed in the Bible alone. If it rejects the truth of Scripture, it is false, no matter what label it carries.