What are we commanded by the fourth commandment?

By the fourth commandment we are commanded to respect and love our parents, to obey them in all that isn't sinful, and to help them when they are in need.

Children, obey your parents in the Lord, for that is right.  (Ephesians 6:1)

Does the fourth commandment oblige us to respect and to obey others besides our parents?

Besides our parents, the fourth commandment obliges us to respect and obey all our lawful superiors.

Let everyone be subject to the higher authorities, for there exists no authority except from God, and those who exist have been appointed by God.  Therefore he who resists authority resists the ordinance of God; and they that resist bring on themselves condemnation.  (Romans 13:1-2)

What duty have parents toward their children and superiors toward those under their care?

Parents must provide for the spiritual and bodily welfare of their children; superiors, according to their varying degrees of responsibility, must care for those entrusted to them.

And you fathers, do not provoke your children to anger, but rear them in the discipline and admonition of the Lord.  (Ephesians 6:4)

What are the duties of a citizen toward his country?

A citizen must love his country, be sincerely interested in its welfare, and respect and obey its lawful authority.

How does a citizen show a sincere interest in his country's welfare?

A citizen shows a sincere interest in his country's welfare by voting honestly and without selfish motives, by paying just taxes and by defending his country's rights when necessary.

Why must we respect and obey the lawful authority of our country?

We must respect and obey the lawful authority of our country because it comes from God, the Source of all authority.

Why are we obliged to take an active part in works of good citizenship?

We are obliged to take an active part in works of good citizenship because right reason requires citizens to work together for the public welfare of the country.

What are the chief duties of those who hold public office?

The chief duties of those who hold public office are to be just to all in exercising their authority and to promote the general welfare.

Give ear, you that rule the people, and that please yourselves in multitudes of nations; for power is given you by the Lord, and strength by the most High, who will examine your works, and search out your thoughts.

What does the fourth commandment forbid?

The fourth commandment forbids disrespect, unkindness, and disobedience to our parents and lawful superiors.

Cursed by he that honoreth not his father and mother.  (Deuteronomy 27:16)