Nothing in the chart indicates violence or danger.
He is sun, on the cusp of your 11th of friendship.
Do you have any reason, has anything happened, to make you think he is dangerous?
Sometimes your instincts should be followed.
No I have all the rights to say yes or no and Iam the one who said yes!! But Iam afraid that my choise will not be good for me .. Ok maybe because this is will be big transformation in my life to get married thats why Iam thinking many times before this happen.She is in the 12th, in Capricorn. So she may not have chosen him herself, and maybe her family expects her to marry him, in spite of her concern.