disguiser

noun

1. A person or thing that disguises.

   “A voice disguiser alters a person’s voice to protect their anonymity.”

   “Incense can be used as an odour disguiser.”

   “O, death’s a great disguiser; and you may add to it. Shave the head, and tie the beard; and say it was the desire of the penitent to be so bared before his death”

   “But night it self that great disguiser, Wants power to conceal the least of crimes From any troubled breast […]”

   “If there were no alcohol or cigars, would not those who now use either to excess have recourse to some other form of stimulant or fatigue and pain disguiser instead?”

2. (archaic, historical)A person who wears a disguise; an actor in a masque or masquerade; a masker.

   “Browning’s poems of the love of man and woman are seldom a simple lyrical cry, but they are not on this account the less true in their presentment of that curious masquer and disguiser—Love. When love takes possession of a nature which is complex, affluents and tributaries from many and various faculties run into the main stream.”

   “A kind of witty complicity emerges occasionally from Jonson’s treatment of his disguisers, to suggest that he was taken with their arts in spite of himself.”