we owe him/her
Tu sais que nous lui devons beaucoup.
You know we owe him a lot.
Nous lui devons tous beaucoup.
We all owe him a lot.
Nous lui devons une explication.
We owe him an explanation.
— Gramps Is in the Resistance (1983)
Donne-lui ce que nous lui devons.
Give him what we owe him.
— Kiki la petite sorcière (1989)