"A lactivist is a lactation activist: someone who considers him/herself an advocate for breastfeeding, whether or not s/he's nursed. Lactivism comes in many forms: choosing to breastfeed, choosing to breastfeed for an extended period of time, choosing to breastfeed in public, choosing to smile at a breastfeeding woman, encouraging other women to breastfeed, educating the public on the benefits of breastfeeding, lobbying for pro-breastfeeding legislation, etc. Maybe you're already a lactivist, and didn't know it."
from A Call to Arms and Breasts by Stacey Greenberg
She and her friend are both lactivists.
"Breastmilk is best for all babies" said Susie, a lactivist from Central City.
a woman who nurses her child in public as a protest against people uncomfortable with seeing breastfeeding.
Lactivists staged a nurse-in outside a restaurant to protest women being refused service after breastfeeding inside.