English to Chinese Medical Medical: Health Care community services

These are from a glossary, thus, no context. I saw advocacy transated as "为 ... 代 言”， “为.... 呼 吁 ”; the latter as “代 言 人”。 有无其它译法 ？advocacy可否译为名 词 ？I'm supposed to exhaust all possible Chinese renderings. but please don't tell me it's lawyer. 与立法也许有关 ，与司法无关 。