• 俳優はいゆう — actor
• 俳句はいく — haiku
• 俳壇はいだん — haiku community
• 俳号はいごう — haiku pen name
• 俳人はいじん — haiku poet

The left radical 亻 (person) signals a human-related meaning. The right side derives from 非, historically linked with playful or comic performance, which led to senses around entertainers and humorous verse like haiku/haikai.