Photoshop a fat person to look slightly thinner

I am looking for a skilled Photoshop expert to help me with a project. I have a specific image of a person that I would like to be moderately thinner. The edited image will be used for personal use.

Skills and Experience:
- Proficiency in Photoshop and photo editing
- Experience with body reshaping and retouching
- Attention to detail to ensure a natural and realistic result