Please click on the "Find Mentors" tab at the top of this page and consider using the search feature.
Note the filtering tools by country , industry and skill sets as well as key words. You should use from your profile needs section the words that fit your requirements.
Conduct your search, observe results, select the mentor or mentors you believe can help and send requests that explain why you chose them and how you believe they could be of assistance.
Report Kenneth's answer
The clarity of your purpose, your skills and your vision are important to be understood for a mentor.
Report Zain's answer
A mentor with prior experience in your industry would be good.
You say in your profile that you don't have enough capital and a good sewing machine. But, you might be able to sell your designs to a company that produces apparel or you might be able to team up with another entrepreneur that has sewing equipment and needs a designer.