I am an indian and I had got a proposal for marriage from an yemeni we agreed to marry but his parents wants him to marry a girl of there choice
I have already believed him as my husband also he wants to marry me but his parents are forcing him
It is very difficult for us
Can you please help this muslim sister
Cz I don't want to be 2nd wife nor I want my children to have 2 mothers
Please do help me

I would request you to personally visit the parents of your beloved one. Try to create friendly ties with them. I think this is the only solution to your issue.