Synonyms for public service

I really feel at such times as if I was doing a public service.

The public officials are not paid the same salaries in all the branches of the public service.

But, if Homer never did any public service, was he privately a guide or teacher of any?

Think of the many ships which they will be capable of manning on public service.

Look at the methods by which our public service is recruited.

Every man had his work to do in the public service, and those who failed were punished.

All that I have seen of life only shows the shallowness of what is called the public service.

What was the public service to come to if these were the fellows to be named as messengers?

He was eminent in science and public service, in diplomacy and in literature.

Practically he will get his rent returned to him in public service.