The organization engages in missionary and advocacy work among rural communities of farmers, fisherfolk, and indigenous people on the improvement of their lives and on their human rights.
Inocencio T. Ipong, a Roman Catholic lay worker of the RMP was abducted, illegally detained, and tortured in Camp Catitipan, Davao City in 1982.
[5][6] RMP's then National Coordinator Sister Patricia Fox was detained by the Philippine government on April 16, 2018, for questioning regarding her engagement in political activities.
The investigation was initiated after she had joined a fact-finding mission to Mindanao in relation to human rights abuses under martial law.
On August 15, 2022, the Department of Justice filed a case against the RMP in a trial court in Iligan City accusing them of financing the Communist Party of the Philippines and the New People's Army under the Anti-Terrorism Act of 2020.
"[10] On January 9, 2023, the Quezon City Metropolitan Trial Court Branch 139 acquitted ten human rights defenders from Karapatan, GABRIELA, and RMP of perjury.