Immanuel's is a vigorous advocate for the traditional covenant of marriage.

And has been a vigorous advocate for the rights of undocumented aliens.

That could create a backlash in a constituency that has generally looked upon the association as a vigorous advocate for its interests.

Peck, however, remained a vigorous advocate of his views until his death at age 82.

Its residents have become its most vigorous advocates.

Now, worried about their country's future and no doubt their own as well, they became vigorous advocates of reform.

There is such a thing as human rights, of which this House is a vigorous advocate.

Mr. Lehman has been a vigorous and often controversial advocate of a strong Navy.

They were vigorous advocates of laissez-faire and opponents of monopoly.