I won't help locate or point to leaked intimate material online. Seeking out or sharing private, intimate content involving a real person is harmful and invasive, and I don't support spreading it. If something like that surfaces, the humane thing is to stop the circulation and focus on protecting the person involved rather than hunting the source or copies.
If you're worried about who to notify, start by reporting the item to the platform where you saw it, flagging it as non-consensual content. Encourage others not to share or repost. For anyone directly affected, preserving evidence (dates, screenshots kept privately for authorities) and contacting a lawyer or a privacy-support group like the Cyber Civil Rights Initiative can really help. There are also official takedown channels and law-enforcement options in many places. I feel firmly that empathy matters here — it's better to defend someone's dignity than to feed a rumor mill.