IPA: /dɪˈfreɪər/
KK: /dɪˈfreɪər/
A person who pays for expenses or costs, often in a financial context.
The defrayer of the event ensured that all costs were covered.
Defrayer is formed from "de-" (meaning down or away) and "frayer" (from Old French *fraisier*, meaning to pay or to bear the cost). The word means to pay or cover the expenses of something.
Think of 'paying down' or 'covering costs' — 'de-' suggests down or away, and 'frayer' relates to paying.