noun
person from the future; future human
Refers to a human being who lives in or comes from the future, often used in science fiction contexts. The gloss 'Homo futurus' is a rare scientific or speculative term.
その映画では、未来人が現代にタイムトラベルしてくる。
In that movie, a person from the future time-travels to the present.
未来人と会話できるとしたら、何を聞きたいですか？
If you could talk to a person from the future, what would you ask?
タイムトラベラー is a loanword for 'time traveler', which is a broader term that can include non-humans or people from any time period, whereas 未来人 is specifically a human from the future.
Compound of 未来 (mirai, 'future') and 人 (jin, 'person'). A straightforward modern coinage.