Slaves
From Elite Wiki
A commodity found on the F8 markets screen.
As the most ubiquitous spacefaring species humans prefer humanoids as slaves.
Various other races also put a premium upon humanoids, but these would rather have human slaves.
Traded in TCs & stored in the Cargo Hold for trade. The price includes the special container with life support installed.
Illegal to transport unless protected by special Navy or Gal-Cop permit.