A person who insists on something

A. Disciplinarian

B. Stickler

C. Instantaneous

D. Boaster

Answer: Option B

Solution(By Examveda Team)

One word substitution is Stickler.



Disciplinarian: a person who believes in or practises firm discipline.

Stickler: a person who insists on a certain quality or type of behaviour.

Instantaneous: occurring or done instantly.

Boaster: a very boastful and talkative person.