She is the founder and currently the national director[1] of the National Directorate of the Popular Women's Organization (Spanish: Organización Femenina Popular; OFP), an entity created in 1972 in the Diocese's Pastoral Ministry, which in 1988 became an autonomous organization based in Barrancabermeja to support women in peaceful resistance against violence and defend peaceful dialogue.
[3] During more than four decades in defense of women victims of the conflict in Barrancabermeja and Magdalena Medio, she has suffered persecution and siege by paramilitary groups and has been threatened with death on several occasions.
[5] The Popular Women's Organization and other social groups that opposed the violence were declared military targets and obligated to take forceful protection measures.
Her social conscience began to develop at Camilo Torres School, and she became part of the student movement and the literacy initiatives of Señor de los Milagros parish.
It was the way to handle fear and to protect ourselves without being accomplices of death.In 1988 Yolanda Becerra and Rosalba Meriño committed themselves to the autonomy of the OFP with regard to the Pastoral Ministry.