IPA: /ˈsʌkərər/
KK: /sʌkərər/
A person who helps or provides assistance to someone in need.
The succorer offered food and shelter to the homeless family.
Succorer is formed from "succurrere" (meaning to run to help) which is derived from "sub-" (meaning under) and "currere" (meaning to run). The word describes someone who runs to provide help or assistance to another in need.
Think of someone who 'runs to help' ('succurrere') another person in need — that's what a succorer does.