IPA: /ɔːrˈdeɪnər/
KK: /ɔrˈdeɪnər/
A person who officially appoints someone to a religious position, often in a church.
The ordainer performed the ceremony to appoint the new priest.
Ordainer → It is formed from "ordain" (from Old French *ordener*, meaning to arrange or set in order) and "-er" (meaning a person who). An ordainer is a person who arranges or sets things in order, often in a formal or official capacity.
Think of someone who 'arranges' things ('ordain') and the '-er' just means a person. An ordainer is someone who arranges or organizes.