IPA: /ˈspɪərər/
KK: /ˈspɪrər/
A person who uses a spear, typically for hunting or fishing.
The spearer skillfully threw his spear to catch the fish.
Spearer → It is formed from "spear" (from Old English "spear", meaning a pointed weapon) and "-er" (meaning a person who). A spearer is a person who uses or wields a spear.
Think of someone who wields a 'pointed weapon' ('spear') — the '-er' just means a person. A spearer is someone who uses a spear.