Mahdi
bell cow
bell mare
bellwether
born leader
charismatic leader
choirmaster
choragus
conductor
coryphaeus
duce
file leader
forerunner
fugleman
inspired leader
leader
leader of men
messiah
pacemaker
pacer
precentor
ringleader
standard-bearer
symphonic conductor
torchbearer
bangtail
example
exemplar
good example
model
race horse
racehorse