Definition of "redeemer"

However there is little doubt that Virgil did - in that very sad age of the world, an age of "misery and massacre," and in common with thousands of others - look for the coming of a great 'redeemer.'

1920, Edward Carpenter, Pagan and Christian Creeds, New York: Harcourt, Brace and Co., published 1921, page 137

With no experience in management, little knowledge of life in Scottish football, a dressing room to gut and replace, Gerrard is now cast in the role of Rangers' great redeemer. Whatever fate befalls him, this will not be dull.

2018 May 4, Tom English, “Steven Gerrard: A 'seriously clever or recklessly stupid' Rangers appointment”, in BBC Sport‎