Everyone calm down.
You got the wrong guys.
The only Fault, these men have ever done, is not listening to her because they were brainwashed.
They are the ones who helped her to secure her translator job.
But because this prince IS IN LOVE (present tense) with FMC so he feels guilty for not helping her enough as he should do if he doesn't get brainwashed.
.
Sigh, Author and Mangaka, why don't you include more information to explain.
Look at what you do, 99.99% of readers thought ML and his aide as trash now.
.
Meanwhile, no-one remembers about the actual trash Prince and the Thot from FML's country.