最さい適てき任にん者しゃ

noun, noun which may take the genitive case particle 'no'

best qualified person; most suitable person

Used when identifying the single most appropriate candidate for a role, task, or position. Often appears in formal or evaluative contexts.

• このプロジェクトのリーダーには彼かれが最さい適てき任にん者しゃだ。