IPA: //ˈreɪzər//
KK: /ˈreɪzər/
A person or thing that lifts, increases, or brings up something.
The fundraiser was a successful event organized by a local charity raiser.
Raiser → It is formed from "raise" (from Old English "raesan", meaning to lift or elevate) and "-er" (meaning a person who). A raiser is a person who lifts or elevates something.
Think of someone who 'lifts' or 'elevates' something — that's what a raiser does.