to arrange for the payment of a sum of money in the event of the loss of (something) or accident or injury to (someone): “Is your car insured?”
verzekeren

in'surance (Zelfstandig naamwoord)

the promise of a sum of money in event of loss eg by fire or other disaster, given in compensation by a company etc in return for regular payments: “Have you paid the insurance on your jewellery?”
verzekering

insurance policy

(a document setting out) an agreement with an insurance company.
verzekeringspolis
© K Dictionaries Ltd.

Vraag professionele hulp bij het schrijven van zakelijke, academische of persoonlijke teksten in het Engels door native speakers.

to insure	verzekeren (ww.)
insure	assureren ; veilig stellen

Bron: Wakefield genealogy pages

Let op de verschillende spellingsvarianten in UK- en US-Engels: UK-spelling: insure US-spelling: ensure

EN: the insured NL: de verzekerde(n)