Ruling elders are chosen by the congregation to "discern and measure its fidelity to the Word of God, and to strengthen and nurture its faith and life. They ... exercise leadership, government, spiritual discernment, and discipline and have responsibilities for the life of a congreation as well as the whole church, including ecumenical relationships."
. . . "Book of Order 2017-2019, The Consitution of the Presbyterian Church (U.S.A.), Part II" - G-2.0301
"The ministry of deacon . . . is one of compassion, witness, and service, sharing in the redeeming love of Jesus Christ for the poor, the hungry, the sick, the lost, the friendless, the oppressed, those burdened by unjust policies or structures, or anyone in distress. Persons of spiritual character, honest repute, exemplary lives, brotherly and sisterly love, sincere compassion, and sound judgment . . ."
. . . "Book of Order 2017-2019, The Consitution of the Presbyterian Church (U.S.A.), Part II" - G-2.0201