This is a bit of a long shot, but I'm going to suggest the [Flandry series][1] by Poul Anderson.

The first book in particular, [Ensign Flandry][2], has the [titular character][3] aiding a technologically less-advanced society of cat-like aliens.

[![enter image description here][4]][4]


  [1]: http://www.isfdb.org/cgi-bin/pe.cgi?2858
  [2]: http://www.isfdb.org/cgi-bin/title.cgi?5268
  [3]: https://en.wikipedia.org/wiki/Dominic_Flandry
  [4]: https://i.sstatic.net/gjMhW.jpg