An advocate for a particular group is a person who works for the interests of that group. advocates for the homeless see also devil's advocate. to publicly say that something should be done
An advocate is a lawyer who speaks in favour of someone or defends them in a court of (Hukuk) = lawyer
If you advocate a particular action or plan, you recommend it publicly. Mr Williams is a conservative who advocates fewer government controls on business. the tax policy advocated by the Opposition. = recommend