兼 is one of the most commonly used Japanese kanji, and it also has a lot of special readings in addition to the standard onyomi and kunyomi readings.
ONYOMI 音読み
か.ねる ka.neru -か.ねる -ka.neru
KUNYOMI 訓読み
ケン ken
Examples
この雑誌の編集者兼出版社が一部の読者から批判された。The editor and publisher of this magazine was criticized by some readers.彼は小説家兼画家である。He is a novelist and artist.編集者兼出版者であるその人は私のいとこです。The editor and publisher is my cousin.