personal advertisement; personals
Refers to classified ads placed by individuals, often for dating, friendship, or selling personal items.
He met his current wife through a personal ad in the newspaper.
It takes a bit of courage to place a personal ad.
求人広告 is a job advertisement placed by a company, while 個人広告 is a personal ad placed by an individual.
Compound of 個人 (individual) and 広告 (advertisement).