Seeking expert counseling is a sign of strength. A personal relationship with a caring professional is proven clinically effective.
You have several good options,
The one that is fastest and has the least level of commitment but lots of satisfaction is Big Sisters. Here you "adopt" a day child and take her on outings, and do things for her. She is probably from a disadvantaged family and could use your love and role modelling. Here is an article from BBC
I have one site and seems like it may be the Muslim site for Big Sisters, UK, but I am not sure:
You can also become a foster parent and bring a young girl into your family.
Finally, you can adopt a young girl. There are so many young ones that need an adoptive or foster home, and you can give each other what each of you needs - a good mother/daughter relationship.
You can get so much information here:
I wish you great success and blessings in your quest to add
joy to your life and to the life of a young girl that needs you.
Elliott Sewell, LPCC, NCC, CCMHC