This is the 10200th most frequent Spanish word.
cobrarte
"To charge you" (for payment).
In this sentence, 'cobrarte' is used to mean 'to charge you,' indicating the action of requesting payment for a provided service or goods.
Tengo que cobrarte la cantidad acordada por el servicio.
I have to charge you the agreed amount for the service.
Here, 'cobrarte' refers to imposing a fee or additional amount (interest) due to a delay or specific condition in payment.
Si no pagas a tiempo, tendrán que cobrarte intereses.
If you don't pay on time, they will have to charge you interest.
This usage of 'cobrarte' highlights the act of requesting additional payment for additional goods or services.