noun
worldly-wise person; person who has seen much of life
Describes someone who has experienced many hardships and gained practical wisdom, often with a nuance of resilience and maturity.
彼は若い頃から苦労人で、どんな問題にも動じない。
He has been through a lot since he was young and doesn't get fazed by any problem.
あの苦労人
That worldly-wise person's stories always have depth.