The influential Catholic leader recognized for their global efforts in peace and humanitarian work is Desmond Tutu, who was born in 1936. As the first Black Archbishop of Cape Town and a prominent anti-apartheid activist in South Africa, he advocated for social justice and human rights throughout his life. Tutu played a crucial role in the Truth and Reconciliation Commission, promoting forgiveness and healing in post-apartheid South Africa. His commitment to peace and equality earned him the Nobel Peace Prize in 1984, making him a widely respected figure in religious and humanitarian circles worldwide.