Sentence:  Carl Philipp (1762–1827), <WSD>repetitor</WSD> at the Stift from 1789 to 1791 and a Hellenist, he had a strong influence on Ho:lderlin there, kept in contact with him, and was one of the first to try to collect and publish his work; see Letter 51 (to his brother Karl, 2 November 1797). 
Meaning of the word marked with <WSD> tags:  A private instructor in a repetitorium.