a male person / (specifically) a man, an adult male / 男, 漢: (specifically) a manly man / a male lover / a manservant / a husband / (obsolete) an unmarried young man / (colloquial) homosexuality

a surname

a man / a husband / a male / something large, powerful, or otherwise masculine

a boy

a man / a son / a young man, especially one who reached adulthood / (historical) a baron

a male given name

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all