* It's a misspelling: Perhaps you meant "hesitant," which describes someone who is unsure or reluctant.
* It's a regional dialect word: Some words have specific meanings in certain locations. If you heard it in a specific context, could you provide more information about where you heard it?
* It's a made-up word: It's possible that someone has created a new word.
Could you clarify what you mean by "hestic"?