Add a passed family member into a graduation photo

I am seeking a freelancer who can add a passed family member into a graduation photo. The editing required for the photo is adding a person. I have a specific photo of the passed family member that I would like added, so the freelancer will not need to search for a suitable photo. The editing should be done in a realistic style. Please use the best photo out of these options. I want the principle (left side) taken out and add the grandfather in to this specific photo and I will provide the grandfather photo

Skills and experience ideal for this job include:
- Photo editing and manipulation
- Attention to detail
- Ability to seamlessly integrate a person into a photo
- Knowledge of lighting and color adjustments
- Proficiency in editing software such as Photoshop or Lightroom