What I meant to say was that since Shonen means Youbg Mab in Japanese, Marco is a young man, a shonen.>>108581395
All Might called Midoriya "Shonen," and the subtitles said young man. Midoriya is like 13. This is what Kotaku said:
Literally meaning “few years,” “shonen” (??) typically refers to young boys under the age of fifteen.