JLPT N1
喪主
喪主 is the term for the chief mourner. This person acts as the official host and family representative at a funeral.
Readings
Noun
Chief Mourner
The person, typically the closest family member (like a spouse or eldest child), who is principally responsible for arranging and hosting a funeral.
Example
故人 の 長男 が 喪主 を 務めました 。
The eldest son of the deceased served as the chief mourner.
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