This is the 6662nd most frequent Dutch word.
warner
A "warner" in Dutch refers to someone or something that warns or gives a warning.
Here, "warner" is used as a noun to refer to someone who warns others about danger or issues.
Hij was een warner in tijden van gevaar.
He was a warner in times of danger.
"Warner" is used as a noun to describe a device or feature that provides warnings.
De klok had een ingebouwde warner bij stroomuitval.
The clock had a built-in notifier for power outages.
"Warner" again serves as a noun, this time metaphorically referring to someone who provides reminders or alerts about upcoming events.