
As also the evil ones, (including) every kind of builder and diver,-
in the latter passage the spirits mentioned are called
Jinns. The divers were probably those employed in pearlfisheries,
References:
Yusuf Ali, Abdullah. Translation and Commentary of the Quran. (surah 38 verse 37). Quran Arabic with English Translation & Commentary (Tafsir) by Abdullah Yusuf Ali, Free Download (quran4u.com)