Which preposition to use with disbeliever

in Occurrences 8%

It is a phenomenon worthy of consideration by all hardened disbelievers in that which is miraculous upon this earth that when a man's heart really opens to a friend he finds there room for two, And when he takes in the second, behold the skies lift, and the earth grows wider, and he finds there room for two more!

of Occurrences 1%

Who can forget his stare in being detected in his fuddling as Dozey, and his plea for drinking to "wa-ash down your honour's health:" or his anti-polarity as Nipperkin, when his very legs seemed drunk beneath him; his attempt to set down the keg would stagger the disbelievers of perpetual motion.

Which preposition to use with  disbeliever