Print Like most Clubhouse users, Rahaf Harfoush doesn’t make money on the app. But she does help others avoid losing it. Harfoush, a digital anthropologist and author who lives in Paris, is part of an “anti-grift squad” that helps newcomers to the audio-only interactive streaming platform avoid falling prey to scams. She and a crew of veteran users dedicate hours each week to running free onboarding sessions for first-time users, and host a weekly room, or session, on the app to document some of the shady practices they see cropping up. Harfoush believes the intimacy of Clubhouse’s...