Obligacion (en. Obligation)

/obligaˈθjon/

Slang Meanings

To be obliged to do something.
I can't go out, I have the obligation to work this weekend.
No puedo salir, tengo la obligación de trabajar este fin de semana.
Something that cannot be avoided or evaded.
That task is an obligation, there is no way to escape.
Esa tarea es una obligación, no hay forma de escapar.