I came across a site that you could offer your pumped milk or wet nursing services. Under one person's ad she had in bold letters "no adult wet nursing.
Regardless, a scroll through the classifieds shows women who are serious about wet-nursing and are clear about their policies: no adult wet-nursing.
I am a wet nurse, this means I provide breastmilk to babies, children or adults who wish / need to drink it for whatever personal reasons they have. I can provide .