Person who pilots or travels in a balloon, airship or other aircraft

A. Aeronaut

B. Astronaut

C. Aerobat

D. Acrobat

Answer: Option A

Solution(By Examveda Team)

One word substitute is Aeronaut.

Aeronaut: a traveller in a hot-air balloon, airship, or other flying craft.
Astronaut: a person who is trained to travel in a spacecraft.
Aerobat: a person who performs aerobatics.
Acrobat: an entertainer who performs spectacular gymnastic feats.