A person who is talkative
A
Garrulous
B
Speaker
C
Orator
D
Laxative
Correct Answer: Garrulous
One word substitute is Garrulous.Garrulous: excessively talkative, especially on trivial matters.
Speaker: a person who speaks.
Orator: a public speaker, especially one who is eloquent or skilled.
Laxative: (chiefly of a drug or medicine) tending to stimulate or facilitate evacuation of the bowels.