An African American Youtuber from Connecticut that has dedicated his life to the learning of languages. He is widely know for being fluent in Catonese and Mandarin, which is said he speaks so well, it is indistinguishable from a native speaker. He also knows Spanish, Russian, Korean, German, Ukrainian, Georgian, Armenian. Japanese, Italian, Yoruba, Somali, Turkish, Polish, French and Arabic.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.