Hello biketourerbh7186,
Thank you for your comment.
Both are indefinite pronouns. This lesson explains in detail (in the grammar section) all about indefinite pronouns and will help you understand the difference between κανένας (κανένα, καμιά) and κάποιος (κάποια, κάποιο):
http://www.greekpod101.com/2014/12/01/i ... alnut-pie/If you still have any questions after listening to the lesson, please let me know. You could also just check the grammar section on the lesson PDF without listening the whole lesson audio.
Kind regards,
Stefania
Team GreekPod101.com