because of him/her
Por su culpa, vive una vida miserable.
Because of him, she lives a miserable life.
Espero que no sea tarde por su culpa.
I hope it's not too late because of you.
Mira que tener que quedarnos aquí por su culpa.
To think we have to stay here because of him.
— Yojimbo. El mercenario (1961)
Por su culpa hay movida en la favela.
Because of him there's trouble in the favela.
— Ciudad de Dios (2002)
Y yo le digo que es por su culpa que yo soy como soy.
And I tell him that it's his fault that I am the way I am.
— Fresas salvajes (1957)
Mi perro Mowgli casi muere por su culpa.
My dog Mowgli almost died because of him.
— Dil se.. (1998)