Nathan was a male Human who lived in the 24th century. In the 2370s, he worked as a chef at Sisko's Creole Kitchen.
In 2372, Nathan served Benjamin Sisko and Jake Sisko gumbo when they arrived at the restaurant. Nog would often order his usual of tube grubs from Nathan. (DS9 episode: "Homefront")
Pasta boudin was apparently Nathan's favorite dish of those that he served. (ST reference: Federation Travel Guide)