Criminal law is public or private

Public law affects society as a whole and includes administrative law, constitutional law, criminal law, municipal law, and international law.

Laws generally fall under two classifications: public law or private law. Public law refers to the relationship between the state and the people within it and includes constitutional laws, criminal laws, and administrative laws. Criminal law concerns crimes and their punishments.

Private law includes civil law (such as contract law, law of torts and property law), labor law, commercial law, corporations law and competition law. Public law includes constitutional law, administrative law and criminal law.

How does crime affect the public?

Crime thus affects the public indirectly, with criminal law transforming a private matter (among persons) into a public one (that involves the state).
Put another way, and drawing on our discussion of Roman law, crime is the public aspect of the interpersonal delict— delictum publicum. (Tort is its private aspect— delictum privatum .) .

What is the difference between private law and Public Law?

Private law applies to relationships between individuals in a legal system. e.g. contracts and labor laws.
Public law applies to the relationship between an individual and the government. e.g. criminal law.
Relationships between individuals, such as:

the the Law of Contracts and the Law of Torts.
The relationship between individuals and the state.

Job type

A public defender is a lawyer appointed to represent people who otherwise cannot reasonably afford to hire a lawyer to defend themselves in a trial.
Several countries provide people with public defenders, including the UK, Belgium, Hungary and Singapore, and some states of Australia.
Brazil is the only country in which an office of government-paid lawyers with the specific purpose of providing full legal assistance and representation to the needy free of charge is established in the constitution.
The Sixth Amendment to the US Constitution, as interpreted by the Supreme Court, requires the US government to provide legal counsel to indigent defendants in criminal cases.
Public defenders in the United States are lawyers employed by or under contract with county, state or federal governments.

Lawyer appointed for defendants who cannot afford one

In the United States, a public defender is a lawyer appointed by the courts and provided by the state or federal governments to represent and advise those who cannot afford to hire a private attorney.
Public defenders are full-time attorneys employed by the state or federal governments.
The public defender program is one of several types of criminal legal aid in the United States.

In English criminal law, public nuisance is a act, condition or thing that is illegal because it interferes with the rights of the general public.