Paul shifts into full shepherd-mode, warning the Thessalonian church about believers who are “out of line”—people refusing to work, ignoring Christ’s pattern, and creating disruption by expecting others to carry their load. He tells the faithful to set boundaries with these idle and disruptive believers—not to punish them, but to protect the church and lovingly nudge them back into responsibility. His whole point is simple: Christ-followers are called to work hard for the gospel, follow the example of Jesus and the apostles, and never get tired of doing the good work God prepared for us.