What does ～君 mean?
～君 is a Japanese suffix meaning “Mr (for boys and juniors)” in English. It is written as ～君 in kanji, ～くん in hiragana, and ～kun in romaji. This word is part of JLPT N4 vocabulary.
NoteSuffix added to the name of a boy or a junior (田中君 = young Tanaka).
Example sentences
田中君、ちょっと手伝ってくれる？
Tanaka, could you give me a hand?
健太君はクラスで一番背が高い。
Kenta is the tallest in the class.