A monologist, or interchangeably monologuist, is a solo artist who recites or gives dramatic readings from a monologue, soliloquy, poetry, or work of literature, for the entertainment of an audience.
Yvette Guilbert
…gesturing with her long arms as she sang. An innovator, she favored monologue-like "patter songs" (as they came to be called) and often was billed as a "diseuse" or "sayer". The lyrics (some of them her own) were raunchy; their subjects were tragedy, lost love, and the Parisian poverty from which she had come…