Shared ground
This passage treats “different doctrine” as more than a minor preference. It is identified by a refusal to accept “sound words,” which are tied to the Lord Jesus Christ (explicit claim) and to teaching that fits a life shaped by reverence toward God (explicit contrast). The writer connects bad teaching with a recognizable posture: inflated self-confidence paired with real ignorance (explicit description).
The passage also insists that corrupt teaching has predictable social effects. An argumentative, combative focus (“word battles”) does not stay theoretical; it generates jealousy, conflict, insults, and ongoing suspicion (explicit outcomes). It then exposes a motive that can hide behind religious language: treating godliness as a tool for making money (explicit motive claim).
Where interpretation differs (only where needed)
How narrow the target is. Some read “different doctrine” as aimed mainly at the immediately preceding issue (how dependent workers relate to masters in 6:1–2). Others read it as a broader description of false teaching in the community, with 6:1–2 being one example.
What “words of our Lord Jesus Christ” means. Some understand it as specific remembered sayings of Jesus that function as a standard. Others take it more generally as the authoritative teaching about Jesus that the church recognizes as faithful to him.
What “withdraw” involves. Some understand it as limiting the person’s influence (not giving them a platform as a teacher) while still leaving room for ordinary contact. Others understand it as a stronger separation from the person’s circles to avoid being pulled into their conflict cycle.
Why the disagreement exists
The wording is strong but not detailed. The text names markers (refusal of sound words, quarrelsome obsession, destructive results, profit motive) without spelling out the exact disputed content, the mechanism of profit (fees, patronage, influence), or the exact boundary lines of “withdraw.” The immediate context (6:1–2 and 6:6–10) invites both a narrow and a broad reading.
What this passage clearly contributes
It offers a diagnostic grid for recognizing corrupt teaching by its relationship to Jesus’ authoritative words, by its fit with “teaching according to godliness,” by the teacher’s posture, and by the community fruit it produces (all explicit). It also links theological distortion to relational damage: the breakdown into envy, strife, verbal abuse, and suspicion is presented as the normal output of a quarrel-driven approach (explicit). Finally, it unmasks financial exploitation as a possible driver of religious talk (explicit), setting up the next unit’s focus on contentment and the desire to get rich (1 Timothy 6:6).