Here the Subject is kimvuluzi, which is composed of mvuluziekanda-diaku,bearing the Prefix ki- ; the mvuluzi being further qualified by the Adjectival Phrase, a ekanda diaku, which agrees with mvuluzi ; so that it is really ki- (mvuluzia-ekanda-diaku), the office-of-deliverer-of-your-country; the Possessive Pronoun, diaku, of course concords with its Noun ekanda.