花はな火び師し

noun

pyrotechnician; fireworks artisan

Refers to a professional who creates, sets up, or operates fireworks displays. Often carries a traditional, skilled-craft connotation.

• 花はな火び師しが夏なつ祭まつりのために何なんヶか月げつも準じゅん備びをしている。

  The pyrotechnician has been preparing for months for the summer festival.