Case C-587/20: Judgment of the Court (Second Chamber) of 2 June 2022 (request for a preliminary ruling from the Østre Landsret — Denmark) — Ligebehandlingsnævnet, acting on behalf of A v HK/Danmark, HK/Privat (Reference for a preliminary ruling — Social policy — Equal treatment in employment and occupation — Prohibition of discrimination on grounds of age — Directive 2000/78/EC — Article 3(1)(a) and (d) — Scope — Post of elected sector convenor of an organisation of workers — Statutes of that organisation under which only members under the age of 60 or 61 on the date of the election are eligible to stand as sector convenor)