In 1929, Weaver accompanied her husband when he served as a faculty member of the "Floating University of North America", an educational program based in an ocean liner while it traveled around the world.

[7] In the 1940s she visited the United States to study health charities including those addressing blindness, tuberculosis, polio, and leprosy.

[5] Eunice Gabbi married an American missionary educator in Brazil, Charles Anderson Weaver, in 1927, and became stepmother to his four children.

"Certainly the most horrific aspect of isolation ... was the creation of orphanages for the children of leprosy patients," commented historian Elisabeth Poorman.

"[15] The educandarios she promoted were known to be sites of abuse, medical experimentation, and overmedication, and many of the adults who were separated from their parents have described the lasting harm they sustained during their institutionalization.