Please have a look at this thread..Kind as an adjective is natural and native...plus the grouping of the definitons in the Greek-English dictionary.
The author of the Greek-Eng dictionary is the son of a Founder. Enjoy searching..but..explaining what I located..not so enjoyable.
http://www.freerepublic.com/focus/f-bloggers/2620065/posts
Wow, even other birthers keep a safe distance between your arguments and themselves.