carvajal worked in london as a teacher and missionary. she was often referred to as a "roman priest in women's clothing". she was a leader in charitable service to the poor such as taking care of the sick and helping prostitutes obtain a better life in england. she frequented prisons where she would visit imprisoned priests to encourage them to continue fighting for the catholic cause. she would also, obtain money through needling to give to the poor and distribute catholic literature throughout england and abroad.