11.   He also was a prime organizer of an annual Unity Day celebration and a tireless advocate for black businesses.

12.   It was years before the ousted president rebounded to claim his place as a peacemaker in trouble spots around the world and a tireless advocate for housing the poor.

13.   Nor is Kevorkian, a tireless advocate of assisted suicide, particularly news.

14.   One of the most popular caddies on the tour, Grillo has been a tireless advocate for his co-workers.

15.   Since then, he has become a tireless advocate for Africa.

16.   The soft-spoken, understated World War II veteran won renown as a tireless advocate of quiet diplomacy, dialogue and compromise rather than use of force.