With two I am up and close
With three I am nine or eleven
With seven I help people in need
With all eight I am an honest person
What am I?
Here is an example of a Tyos Riddle: Link (No offense, Tyos, for the title :P)
At $50\cdot 2^\text{number of hints}$ views I will add a hint:
Hint #1:
I think this riddle is so hard you probably will never find the answer that satisfies all of the above requirements.
Hint #2:
This riddle's answer is an 8-character word whose first 2 characters correlate with the first line, first 3 characters correlate with the second line, and so on. Just like a Tyos Riddle.
Hint #3:
The first two letters is more of a prefix to a word than an actual word.