Smiler used in a sentence

Smiler in a sentence as a noun

Is it okay to be a cheerful smiler in places where it's not the custom to smile as often?

It can easily do multiple nested sub shells, escaping is less insane, keeps your teeth whiter and smiler brighter and all that sort of things.

Yeah, in "Person, individual, someone, somebody, mortal, soul" there's the deeper category "smiler" which contains the categories "smirker" and "simperer".