Case C-590/17: Judgment of the Court (Third Chamber) of 21 March 2019 (request for a preliminary ruling from the Cour de cassation — France) — Henri Pouvin, Marie Dijoux, the spouse of Henri Pouvin v Électricité de France (EDF) (Reference for a preliminary ruling — Directive 93/13/EEC — Scope — Article 2(b) and (c) — Concepts of ‘consumer’ and of ‘seller or supplier’ — Finance for the purchase of a home — Mortgage loan granted by an employer to its employee and to his spouse, the jointly and severally liable co-borrower)