A woman or girl who sells herself for something, might be money or jewels etc. Usually considered a derogatory term but unfairly. Most whores are kind and eager to please. They like sex and are good at it. In other civilisations the prettiest ones and the most 'talented' had a special status as courtesans and concubines.
She was a whore and intensely proud of it. She got a lot of money, and many gifts, for doing something she enjoyed, and which gave pleasure to others.