GUISER
n.gi'zer. A person in disguise; a mummer who goes about at Christmas.
Guis "er, n. Etym: [From Guise. ]
guiser
guiser |ˈgʌɪzə | ▶noun archaic a mummer in a folk play performed especially at Christmas or Halloween. ORIGIN late 15th cent.: from the archaic verb guise ‘dress fantastically ’, from the noun guise .