PARANYMPH
Etymology
Noun
paranymph (plural paranymphs)
(now rare) A friend of the bridegroom, a best man; a bridesmaid. [from 16th c.]
(now rare) An ally or spokesman; someone who speaks in support of someone else. [from 16th c.]
Source: Wiktionary
Par"a*nymph, n. Etym: [L. paranymphus, Gr. paranymphe.]
1. (Gr. Antiq.)
(a) A friend of the bridegroom who went with him in his chariot to
fetch home the bride. Milton.
(b) The bridesmaid who conducted the bride to the bridegroom.
2. Hence: An ally; a supporter or abettor. Jer. Taylor.
Source: Webster’s Unabridged Dictionary 1913 Edition