proxenet

noun2

1. •
   A negotiator; a factor, especially one who negotiates marriages.

   • the common Proxenet or Contractor of all natural Matches and Marriages betwixt Forms and Matter — 1659
2. •
   A madam; a woman who runs a brothel.

   • If taken against their consent, the procuress, or the proxenet who has caused the ruin of the firl less than twenty-one, is severely punished. — 1907