utile
If he'll be of use, take him.
S’il peut être utile, prends-le.
— Tampopo (1985)
Whoever's of use doesn't rest up in wartime.
Quiconque est utile ne se repose pas en temps de guerre.
— Ivan's Childhood (1962)
Perhaps the prison will be of use for him.
Peut-être que la prison lui sera utile.
— La Strada (1954)