What does ちゃん mean?
ちゃん is a Japanese suffix meaning “suffix for familiar person” in English. It is written as ちゃん in hiragana, and chan in romaji. This word is part of JLPT N5 vocabulary.
Example sentence
あら、あなたのところの娘のはるちゃんはとても陽気ですね。
Oh, your daughter Haru is very cheerful.