How about human slave trafficking? He enslaved Oompa-Loompas.
“They belonged to a tribe of tiny miniature pygmies known as Oompa-Loompas,” Wonka explains in this version of the book. “I discovered them myself. I brought them over from Africa myself – the whole tribe of them, three thousand in all. I found them in the very deepest and darkest part of the African jungle where no white man had ever been before.”
The accompanying black-and-white illustration of several dark-skinned Oompa-Loompas left me stunned.