There are so many characteristics in sikhi which impress me to stay as a sikh. You could go on writing thousands of characteristics. Its not something which you can briefly describe. I will try to describe some of them here in my answer.
- Briefly describe those great things in Sikhi that impress you to stay as a Sikh.
- Equality; no cast systems or differences between male/female
- Gurdwaras available to all
- Sri Guru Granth Sahib written by the gurus, not priests
- etc.
- What great qualities in the teachings of the Sikh Gurus inspire you to be their followers?
Qualities:
- Peaceful
- Honest
- Forgiving
- Great teachers
Teachings:
- Equality
- three basic rules to live by: naam japna, Wand chhakana and Kirt Karna
- God judges man by actions, not casts
- Don't escape from problems, face them!
- opposed idol worship and many rituals
- spiritual education is very important
3.What achievements of the Gursikhs impress you the most and make you want to be like them?
I don't judge sikhs by what they have accomplished but by what what they can do.
- Baba Deep Singh; his courage
- Harbhajan Singh Yogi; spreading of his knowledge
- Beant Singh; determination and courage
- Satwant Singh; determination and courage
- Banda Singh Bahadur; willingness and courage
They all are important sikhs in sikh history.
Note: Many Gursikhs gained achievements that weren't reconized.
I hope this answered your very difficult question.