fishmonger

noun3

1. •
   A person who sells fish.
2. •
   (UK, rare) A shop that sells fish; a fishmonger's shop, a fishmonger's.

   • And Susan, sure of this inevitable answer, would ask Cook to pop into the fishmonger for a nice bit of salmon, […] — 1931
3. •
   (figurative, no longer used) A pimp.

   • Excellent well; you are a fishmonger. — 1599