balancer vs acrobat

balancer and acrobat both are nouns.

Word	Noun	Adjective	Verb	Adverb
balancer	Yes	No	No	No
acrobat	Yes	No	No	No

As nouns, acrobat is a hypernym of balancer; that is, acrobat is a word with a broader meaning than balancer:

balancer: an acrobat who balances himself in difficult positions
acrobat: an athlete who performs acts requiring skill and agility and coordination

balancer (noun)	acrobat (noun)
either of the rudimentary hind wings of dipterous insects; used for maintaining equilibrium during flight	an athlete who performs acts requiring skill and agility and coordination
an acrobat who balances himself in difficult positions