noun
acting consul
A diplomatic official who temporarily performs the duties of a consul. Used in formal and official contexts.
彼は在ロンドン日本国総領事館の代理領事を務めた。
He served as acting consul at the Consulate-General of Japan in London.
Compound of 代理 (dairi, 'acting, proxy') and 領事 (ryōji, 'consul').