promachos (n.)

"a champion, one who fights on behalf of another," by 1905, from Latinized form of Greek promakhos "a deity (especially Athene or Apollo) who fights before some person, army, or state as a protector or guardian," from pro "before" (see pro-) + makhesthai "to fight" (see -machy). The word is attested from 1871 in reference to the colossal bronze statue of Athene Promachos that stood in the Athenian citadel.

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