a German theologian, was born at Bernburg May 6, 1727. In 1745 he entered the University of Halle, and studied theology until 1749, when he became teacher in the German-French orphan asylum in Magdeburg. In 1754 he entered the army as chaplain, and in this capacity served the Prussians during the Seven Years' War. On his return he became preacher at Magdeburg, and was made the first pastor of the city in 1768. He died Sept. 21, 1804. Kuster was a truly pious man, and greatly served the cause of Christianity, especially among the soldiers of Frederick the Great. For his works, see Doring, Gelehrte Theol. Deutschlands, ii, 218 sq.