Someone who disregards his/her own countrymen

Question

I hope this question fits here.

Imaginary situation:

Internet user X is from abc country. User X is of the belief that he/she is an experienced user of a particular Q&A website. He/she is also of the belief that he/she is more educated than other users of his/her country. So, he/she prefers and even advocates that answers should come from people other than his/her country. At times, he/she is rude to people from his country. But he/she is not an anti-national. Why user X does so is unknown. Perhaps, he/she desires to receive holistic opinions, even if that means subscribing to false facts.

_{PS: Real life description of user X is not considered as of now}

Question: Which word(s) can be used to describe user X?

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I did try to look for answers here before asking. I looked for answers in this question

Some words here are:

1. Chauvinism is a form of extreme patriotism and nationalism, a fervent faith in national excellence and glory.

2. Xenophobia is the fear or hatred of that which is perceived to be foreign or strange.

3. Chauvinism is a form of extreme patriotism and nationalism and a belief in national superiority and glory.

4. Prejudice is an affective feeling towards a person based on their perceived group membership. This words seems good for the situation

5. If you say that someone is insular, you are being critical of them because they are unwilling to meet new people or to consider new ideas. I think this word fits as well

6. Jingoism is nationalism in the form of aggressive and proactive foreign policy, such as a country's advocacy for the use of threats or actual force, as opposed to peaceful relations, in efforts to safeguard what it perceives as its national interests.

7. Bigot: a person who has strong, unreasonable beliefs and who does not like other people who have different beliefs or a different way of life.

Most of these words don't fit for user X, I think. (I could be wrong)

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Disclaimer: I don't intend to hurt anyone's sentiment by this question. The situation described is purely fictional

Answer 1

Prejudice can be for or against the perceived members of a group. This allows the unusual case of being against one’s own group, as your user X is.

Chauvinism, xenophobia, insularism, jingoism and bigotry all have a common thread of feeling your own group is superior.

Answer 2

The unsubstantiated belief that you are smarter than everyone else in your country could be arrogance or vanity. The belief that other people in your country aren't worth listening to could be snobbery or prejudice. (In all of these cases, the words don't specify that it's against people in your own country but they are appropriate words to use.) I would need more context to know if it was appropriate to call them elitist, because that's an ideology.