Case C-564/24, Eisenberger Gerüstbau: Judgment of the Court (Fifth Chamber) of 5 March 2026 (request for a preliminary ruling from the Kammergericht Berlin – Germany) – Eisenberger Gerüstbau GmbH v JK (Reference for a preliminary ruling – Consumer protection – Directive 2011/83/EU – Distance contract concluded between a consumer and a trader – Concept of consumer – Contact established between the consumer and the trader by another trader commissioned by the consumer – Article 2(7) – Right of withdrawal of the consumer – Article 9(1)