Acandidate who is listed on the general election ballot as a libertarian is considered:

A minor party candidate

Explanation:

Libertarians are usually those people who opposes the ruling of the government because they believe people doesn't need to be ruled by their government , the government need to only intervene in critical matters but must not interfere in a life of individual. Therefore they are likely to be only a minor party.

A minor party is a political party that doesn't have a significant role when compared to a major party. Minor party have little to no role in the political ruling. However they can always have that one seat or a candidate who represent their ideas.

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