There are multiple definitions - click on the translation that matches your context.

forsikrer

substantiv

partial

assurer

Definitions of assurer

English

a person or business that offers assurance (=a type of insurance where the money is always paid to the policy holder or beneficiaries, especially when someone dies or after a fixed period of time)

Two thirds of German life assurers are risking insolvency.

English

a person whose job is to make certain that something is correct, true, or of good quality etc

Ms Washer is an assessor and internal quality assurer at Llets.