/ˈfɛdərəl ˈpʌblɪk dɪˈfɛndər/ – noun
Definition: Luật sư bảo vệ công lý liên bang.
A more thorough explanation: a defence lawyer employed full-time by the US federal courts to provide legal defence to people who are unable to pay for a lawyer
Example: Federal public defender Vicki Werneke argued for mercy for death row inmate Arthur Tyler before the Ohio Parole Board.