Fetching details from the dictionary...
(young) person subsisting on part-time work; person whose livelihood is provided by part-time work
大学卒業後フリーターになった。
I became a freeter after graduating from university.
フリーターから正社員になるのは簡単ではない。
It's not easy to go from being a freeter to a full-time employee.
息子がフリーターを続けているので親は心配している。
The parents are worried because their son continues to be a freeter.