one who is on the wagon (noun) abstainer: teetotaler
Sinonime: foolishly, heedlessly, impulsively, inconsiderately, obtusely,
passionately, purblindly, recklessly, regardlessly, senselessly, thoughtlessly, tumultuously, unreasonably, unreasoningly, willfully, without rhyme or reason
Antonime: carefully,
cautiously, considerately, sensibly