Definition of Guru

A guru who teaches you..
gives you the wishdom..
But, there are many kind of guru..
GA stands for darkness..
RU stands for suppression of negative aspects of fire that disturb your pure vision..

Now,
GA + RU = GURU...
darkness + light..
a person who guides you when you are in dark..
he guides you when you want to overcome darkness..
ultimately a teacher..
The Guidance..
You are learning Jyotish/ Astrology..
So, Jyotish Guru or Jyotish Guidance or Astrology Guidance..

So, we are..

But, there are many kind of guru..
Siksa Guru,
teaches you basics..
tells you where to search informations..
how to tie your shoes..
your Primary educators..

Diksa Guru,
who gives you initiation into a mantra..
guides you how to do sadhana..
the mentor you have for a particular field of work who teaches you the final application of your learning...

Sat Guru,
who has achieved the final goal of the particular path and is a guiding light to the student walking the path...
like Amachi, or Ramana Maharishi...

Adi Guru,
Supreme level Guru..
original Guru..
seed of all knowledge..

Always have blessings of guru..
guru saves your soul..