Once he returned to the Polish–Lithuanian Commonwealth, he joined the court of magnate Janusz Radziwiłł,[2] where he became his secretary and physician.
After Janusz death, he moved to the court of his relative Krzysztof Radziwiłł.
[2] He died in Vilna, where near the end of his life, he was appointed the city's judge.
Besides poems, Naborowski was a translator, and wrote letters, epitaphs, trifles and laments, mostly praising the country's peaceful life in the spirit of sarmatism.
[3] He used in these poems Polish alexandrine instead of hendecasyllable, starting thus long tradition of writing sonnets in 13(7+5) metre.