one who is wagon (noun) abstainer: teetotaler
Sinonime: closed to, hermetic,
immune, impassable,
impassive,
impenetrable, impermeable, imperviable, inaccessible, invulnerable,
resistant, sealed,
tight,
unaffected, unapproachable, unmoved, unpierceable, unreceptive, watertight
Antonime: exposed, open, penetrable,
responsive,
sensitive,
vulnerable