A person who enjoys being in trouble can be called a thrill-seeker or a troublemaker.
To call someone "crack" can be a derogatory term used to imply that the person is crazy, erratic, or unreliable. It is offensive and should be avoided in conversation.
A thief or a burglar.
Someone who falsely accuses another person is often referred to as a liar or a false accuser.
A person who schemes a lot is often referred to as conniving or manipulative.
A person who makes an allegation is often called an accuser or a claimant.
a troublemaker?
Artful Dodger.
you call them bitefull
a traveller...
belligerent
Pyromaniac.
a geologist
geek
sharp
a traveller...
There is no special name for a person who likes squirrels.
How about a "gun enthusiast"?