Как по Английски будет hoofdpersoon

adjective

First in order of importance; main.

Примеры использования:

The country's principal cities

noun

The most important or senior person in an organization or group.

Примеры использования:

A design consultancy whose principal is based in san francisco

noun

Chiefly in italian and spanish contexts: the ship of an admiral or commander; the flagship of a fleet or armada.

noun

A fatty substance, occurring chiefly in the white matter of the brain, consisting of a mixture of cerebrosides and sphingomyelin (originally thought to be a single substance).