culprit

As an adverb casually

is in a casual manner.

As a noun culprit is

the person or thing at fault for a problem or crime.

As a noun culprit

is the person or thing at fault for a problem or crime.

As a verb cause is

.

As nouns the difference between culprit and prisoner

is that culprit is the person or thing at fault for a problem or crime while prisoner is a person incarcerated in a prison, while on trial or serving a sentence.

As nouns the difference between culprit and miscreants

is that culprit is the person or thing at fault for a problem or crime while miscreants is .

As nouns the difference between culprit and guilt

is that culprit is the person or thing at fault for a problem or crime while guilt is responsibility for wrongdoing.

As a verb guilt is

to commit offenses; act criminally.

As nouns the difference between defendant and culprit

is that defendant is in civil proceedings, the party responding to the complaint; one who is sued and called upon to make satisfaction for a wrong complained of by another while culprit is the person or thing at fault for a problem or crime.

As an adjective defendant

is serving, or suitable, for defense; defensive.

As nouns the difference between culprit and lawbreaker

is that culprit is the person or thing at fault for a problem or crime while lawbreaker is one who breaks (violates) the law, a criminal.

As nouns the difference between culprit and thief

is that culprit is the person or thing at fault for a problem or crime while thief is one who has carried out a theft.

As nouns the difference between culpability and culprit

is that culpability is the degree of one's blameworthiness in the commission of a crime or offence while culprit is the person or thing at fault for a problem or crime.

As a verb convicted

is (convict).

As a noun culprit is

the person or thing at fault for a problem or crime.