https://thenextweb.com/apps/2019/04/12/how-to-stop-people-from-adding-you-to-whatsapp-groups/

Welcome to TNW Basics, a collection of tips, guides, and advice on how to easily get the most out of your gadgets, apps, and other stuff.

A few weeks ago WhatsApp announced a feature that lets you stop others from adding you to group conversations without your consent. The feature is now rolling out globally on both iOS and Android. FINALLY.