serve somebody's interests

The government does not serve the public interest by doing things that the people can't understand.

Whose interest would be served by our doing so and for how long?

The system works, and the public interest is well served.

We're a public body here to serve the public's best interests.

The news he brought wouldn't serve her interests at all.

And I have tried to serve their interests ever since.

And how has he served our interests with her since then?

Responsible officials should use them to serve the public interest.

What higher interest of Church or nation was served by driving him to move too quickly?

But would the boy's interests be best served by such a move?