expression, godan verb (-tsu)
be the backbone; bear responsibility; be the mainstay
Idiomatic expression meaning to take on a central, supporting role in an organization or group, often with a sense of shouldering heavy responsibility. Used for people who are the driving force or pillar of a team, company, or movement.
彼は会社の将来を背負って立つ人材だ。
He is the kind of person who will bear the company's future on his shoulders.
若
The younger generation will be the mainstay of the next era.