Take some time to take classes and learn the language better. Try working in a Spanish-only environment as a pure English speaker and see how far you get.
This doesn't mean "he has an accent", just that they couldn't understand it.
There is discrimination and then there's being unable to communicate. If you cannot communicate you cannot work together. I think if your English is terrible you just might not be qualified for jobs where your language barrier might ruin productivity and in other cases be a risk to your safety and the safety of others.
It's a hard cake to slice through at the end of the day since there's so many different factors to be considered.
In all of these cases the thing I noticed is that most of the problems with accents completely go away in less than a month. Accents are funny in that exposure is be enough for them to become a non-issue.
Under Title VII, an employment decision may legitimately be based on an individual's accent if the accent "interferes materially with job performance." To meet this standard, an employer must provide evidence showing that: (1) effective spoken communication in English is required to perform job duties; and (2) the individual's accent materially interferes with his or her ability to communicate in spoken English. [1]
[1] https://www.eeoc.gov/laws/guidance/national-origin-guidance....
(1) Programmers need to be able to communicate about what they did, what they need to do, and how things are designed. (2) Interviewers kept on saying things like, "I managed to pick out enough of the right words that he probably answered me, but I wasn't sure."
None of us cared that he had an accent - we hired plenty of people with accents. We cared that we could not understand him well enough to coordinate with him. But if we had told him that, he would have had grounds to file a lawsuit. We'd have hopefully won, but he could still file it.
So the intent of the law is to prohibit making hiring decisions on the grounds of "I don't like that particular accent", it's not intended to force companies to disregard whether a candidate is intelligible.
Seems sensible enough. I imagine this isn't even specific to foreign candidates - here in the UK, there are quite strong associations with different regional accents (which ones sound 'refined' or 'unrefined', etc). It would of course be unfairly discriminatory to rule out a candidate on those grounds.
And if the DSA in your name stands for what I think it does, you should know better.
However, I don't see what proof you have that the person is motivated by culturism, when there is a more likely reason, that it's too much work, and he doesn't believe it's his job. It's not my job to teach you English any more that it is to teach you Python. If you don't show up to work knowing both English and Python, it's not my job to train you. I'm talking about severe accents. I have worked with people from another country and had no trouble understanding what they said, and yet another person from the same country, I have no idea what he just said! If you are working on a project with that person, that's bad! If the project involves banking, medicine, or rocket ships, it can be dangerous.
And I'm not being hypocritical. I would not expect to land a job in Spain, even though I can speak Spanish somewhat, because I cannot speak it well enough to work together with Spaniards full time.
