A supporter of breastfeeding; one who engages in lactivism.(noun)
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Use "lactivist" in a sentence
"I could breastfeed; what kind of lactivist was I, anyway, if I chose not to breastfeed?"
"Soon after our daughter was born, we met a person who taught us the word "lactivist" is a real thing that exists."
"Laycock, an Ohio mom and "lactivist" who promotes breastfeeding awareness on her blog and through Café Press t-shirts -- slogans included "That's my baby's lunch you're staring at" and"