2016 Wesleyan Discipline: 735
From Wesleyan Discipline
735. Pastor/Senior Pastor. An ordained, commissioned, or licensed minister who is called of God and appointed by the Church to serve as sole pastor of a church shall be referred to simply as “the pastor.” The term “senior pastor” is applied to the presiding minister in a multiple pastoral staff who bears ultimate responsibility for carrying out the function set forth in 2016 Wesleyan Discipline:675.