pessimist Antonyms

optimist roisterer wisher worshiper catalyst drug addict junkie aficionado stargazer hobbyist backslapper visionary vaticinator utopianist romancer romanticist seer sentimentalist shuffler solicitant swaggerer temperament theorizer chummy groupie reveller can-doer courageous young man assertive person affable person cheer leader action-taker happy person castle-builder companionable person bundle of tickles social butterfly pothead party girl motivator faddist befriender clubby Don Quixote happy camper life and soul of the party life of the party party man cheery fellow achiever