False teachers infiltrating the church

The Bible provides extensive warnings about false teachers infiltrating the church and prescribes specific responses believers should adopt when encountering them.

Recognition and Detection

False teachers “come to you in sheep’s clothing, but inwardly they are ferocious wolves,” (Matt 7:15–20) making them deceptively difficult to identify. After church leaders depart, savage wolves will infiltrate the flock, and even from within the congregation, individuals will distort truth to draw disciples after themselves. (Acts 20:28–31) They secretly introduce destructive heresies, even denying the sovereign Lord who bought them. (2 Pet 2:1–3) However, Jesus provides a diagnostic tool: “By their fruit you will recognize them.” (Matt 7:15–20) Believers should “test the spirits to see whether they are from God, because many false prophets have gone out into the world.” (1 John 4:1)

Characteristics of False Teachers

In the final times, people will reject sound doctrine and gather teachers who affirm their desires rather than truth. (2 Tim 4:3–4) In their greed, these teachers exploit believers with fabricated stories. (2 Pet 2:1–3) They display a form of godliness while denying its power, worming their way into homes to gain control over vulnerable individuals. (2 Tim 3:1–9) False apostles masquerade as servants of righteousness, mirroring Satan’s own deception as an angel of light. (2 Cor 11:13–15)

How Believers Should Respond

Church leaders must remain on guard, remembering that faithful shepherds warn their flocks persistently. (Acts 20:28–31) Believers are urged to contend for the faith entrusted to God’s people. (Jude 3–4) Recognize those causing divisions contrary to sound teaching and keep away from them. (Rom 16:17–18) Warn divisive individuals once, then a second time; afterward, have nothing to do with them. (Titus 3:10–11) Do not welcome those who reject Christ’s teaching into your home, as welcoming them shares in their wicked work. (2 John 9–11) Believers must not associate with those claiming Christian identity while living immorally, and the church should expel the wicked person from among you. (1 Cor 5:11–13)

Church leaders bear particular responsibility to call out false teachers by name, identifying their errors publicly, instructing God’s people about destructive teachings spreading in their midst.[1] Many false prophets will appear and deceive many, yet those who stand firm to the end will be saved. (Matt 24:11–13)

[1] Jeremy A. Rogers et al., The Ministry We Need: Paul’s Ancient Farewell—The Pastor’s Present Calling (Acts 20: 17–38) (Eugene, Oregon: Resource Publications, 2022). [See here, here.]