IPA: /rɪˈtʌtʃər/
KK: /rɪˈtʌtʃər/
A person who makes small changes or improvements to images or photographs to enhance their appearance.
The retoucher worked late into the night to perfect the wedding photos.
Retoucher → It is formed from "re-" (meaning again) and "touch" (from Old French *touchier*, meaning to touch). The word "retoucher" means to touch again, typically in the context of making adjustments or improvements to an image or artwork.
Think of 'touching again' ('re-') to improve something — that's what retoucher means.