Wiktionary
n. (context politics English) A supporter of social democracy, a political ideology which in its contemporary form aims to reform capitalism democratically through state regulation and state sponsored programs which work to ameliorate injustices inflicted by the market economy.
Usage examples of "social democrat".
I prefer to concentrate on the Social Democrat, who managed with one name and, my patient assures me, one story, which he repeated incessantly until shortly before Stolp, to the effect that up to 1937 he had been a kind of partisan, risking his health and sacrificing his free time pasting posters, for he had been one of the few Social Democrats to put up posters even when it was raining.
The most famous inmate at the time was the Social Democrat, Ulrich Falkenstein.
He submitted his resignation to the king he had kept around during his entire tenure and the king appointed a new prime minister, a social democrat.
As a result, first my father, then August Pokriefke, and finally quite a few of the neighbors joined the Party, while Gustav Mielawske -- for over fifteen years a journeyman in our shop and a quiet Social Democrat -- gave notice and did not return to his bench until two months later, after a good deal of coaxing by the master carpenter.