advocate
ad*vo*cate
noun
{bc}one who defends or maintains a cause or proposal
ad*vo*cate
verb
{bc}to support or argue for (a cause, policy, etc.) {bc}to {d_link|plead|plead} in favor of
devil's advocate
noun
{bc}a Roman Catholic official whose duty is to examine critically the evidence on which a demand for beatification or canonization rests
judge advocate
noun
{bc}an officer assigned to the judge advocate generalu0027s corps or department
judge advocate general
noun
{bc}the senior legal officer and chief legal adviser in the army, air force, or navy