IPA: /ˈskriːnər/
KK: /ˈskrinər/
A person or device that examines or filters something, often to select or reject items based on specific criteria.
The screener reviewed all the applications before making a decision.
**Screener** → It is formed from "screen" (from Old French *escren*, meaning a protective or separating barrier) and "-er" (meaning a person who). A screener is a person who uses a screen to separate or filter something.
Think of a person who uses a 'screen' to 'filter' or 'separate' things — that's what a screener does.