You searched for: “maniloquists
maniloquist (s) (noun), maniloquists (pl)
A person who uses hand and finger symbols to declare information to others who know the signs: Quite often there are maniloquists who are near a speaker making signs so those who can't hear what is being spoken will know what is being verbally presented.
This entry is located in the following unit: manu-, man-, mani-, mandat-, manda- (page 5)