Charge husband assuming Latin man's name (5)

I believe the answer is:

ralph

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'man's name' is the definition.
(I've seen this before)

I can't explain the rest of the clue.

(Other definitions for ralph that I've seen before include "Boy's name" , "--- Waldo Emerson, US writer" , "___ Fiennes, English actor, b. 1962" , "N Waldo Emerson, nineteenth century US poet" , "man" .)

I've seen this clue in The Independent.

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