He was a lifelong proponent of Animal welfare.

Vernon was a lifelong proponent of education:

Does this sound sanctimonious from a lifelong proponent of the glory of greed?

He was a lifelong proponent of better ties with the United States.

A lifelong proponent of good sportsmanship, Cargas also served as the athletic director for the university between 1988-1989.

A lifelong proponent of the 10-minute nap, he stretched out on the floor of the Cortez while my mother and the Milams went into the next shop.

He was a lifelong proponent of progressive taxation, believing that it is fairer to tax people at different rates, based on their income levels.

Rohrer had been a lifelong proponent of both the arts and women's rights.

Rolling Thunder was a lifelong proponent of women's rights (although not, by current definition, a feminist), care for the environment, and Native American rights.