(n.) A castrated ram.

Mahdi ancestor announcer antecedent avant-garde bell cow bell mare born leader buccinator bushwhacker charismatic leader choirmaster choragus conductor coryphaeus doyen duce ewe ewe lamb explorer file leader forebear foregoer forerunner front runner frontiersman fugleman groundbreaker guide harbinger herald innovator inspired leader jumbuck lamb lambkin lead lead runner leader leader of men messenger messiah mutton pacemaker pacesetter pathfinder pilot pioneer point precedent precentor precursor predecessor ram ringleader scout sheep standard-bearer stormy petrel symphonic conductor teg torchbearer trailblazer trailbreaker tup vanguard vaunt-courier voortrekker wether yeanling