troublemaker

As a verb misbehave

is to act or behave in an inappropriate, improper, incorrect, or unexpected manner.

As a noun troublemaker is

one who causes trouble, especially one who does so deliberately.

As nouns the difference between brawler and troublemaker

is that brawler is one who brawls, engages in noisy, unseemly fights while troublemaker is one who causes trouble, especially one who does so deliberately.

As nouns the difference between troublemaker and troublemaker

is that troublemaker is one who causes trouble, especially one who does so deliberately while troublemaker is one who causes trouble, especially one who does so deliberately.

As nouns the difference between rapscallion and troublemaker

is that rapscallion is a rascal, scamp, rogue, or scoundrel while troublemaker is one who causes trouble, especially one who does so deliberately.

As nouns the difference between troublecauser and troublemaker

is that troublecauser is (rare) one who causes trouble while troublemaker is one who causes trouble, especially one who does so deliberately.

As nouns the difference between troublemaker and pervert

is that troublemaker is one who causes trouble, especially one who does so deliberately while pervert is (dated) one who has been perverted; one who has turned to error; one who has turned to a twisted sense of values or morals.

As a verb pervert is

to turn another way; to divert.

As nouns the difference between troublemaker and disturber

is that troublemaker is one who causes trouble, especially one who does so deliberately while disturber is someone or something that disturbs; a disrupter.

As nouns the difference between troublemaker and mischief

is that troublemaker is one who causes trouble, especially one who does so deliberately while mischief is harm or evil caused by an agent or brought about by a particular cause.

As an adjective troublesome

is giving trouble or anxiety; vexatious; burdensome; wearisome.

As a noun troublemaker is

one who causes trouble, especially one who does so deliberately.

As an adjective argumentative

is prone to argue or dispute.

As a noun troublemaker is

one who causes trouble, especially one who does so deliberately.