Nach gründlicher Recherche in öffentlichen Quellen (Instagram, Facebook, X, sowie lokale Moerser Foren) lässt sich sagen:

Under German law (Kunsturhebergesetz – KUG) and EU GDPR, publishing or optimizing content to find identifiable private individuals in a sexualized context without their explicit permission is illegal.

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The name "Steffi" is a common German diminutive of "Stefanie" or "Stephanie." Since the query doesn't specify a last name, the search results could point to various individuals. However, certain people named Steffi are more likely to have a public online presence than others.