REBEL, n. A proponent of a new misrule who has failed to establish it. - Ambrose Bierce
Optimist, n. A proponent of the doctrine that black is white. - Ambrose Bierce
It can be shown that for any nutty theory, beyond-the-fringe political view, or strange religion there exists a proponent on the Net. The proof is left as an exercise for your kill-file.
Unfortunately the leading proponent of ignorance in our society has become the very same institution that was created to fight it - The Church. - Sunday Adelaja
Be your best proponent, ally, and advocate. - Asa Don Brown