Essaye ça :)
command /kit <text>:
trigger:
if arg 1 is "voleur":
if player has permission "kit.voleur":
equip player with iron helmet of protection 3
equip player with diamond chestplate of protection 4
equip player with iron leggings of protection 3
equip player with diamond boots of protection 3
set slot 0 of player to iron sword of sharpness 2,fire aspect 1
set slot 1 of player to fishing rod of unbreaking 3
set slot 2 of player to bow of unbreaking 3,power 3,flame 1
set slot 3 of player to 64 steak
set slot 4 of player to water bucket
set slot 5 of player to lava bucket
set slot 6 of player to 0373:8258
set slot 7 of player to 0373:8270
set slot 8 of player to 16 golden apple
set slot 9 of player to 64 arrow
set slot 10 of player to 64 arrow
message "&aTu as recu le kit Voleur"
else:
send "&4Tu n'es pas un voleur !"
if arg 1 is "gardien":
if player has permission "kit.gardien":
equip player with diamond helmet of protection 2
equip player with diamond chestplate of protection 4
equip player with diamond leggings of protection 2
equip player with diamond boots of protection 2
set slot 0 of player to diamond sword of sharpness 2,fire aspect 1
set slot 1 of player to fishing rod of unbreaking 3
set slot 2 of player to bow of unbreaking 3,power 3,flame 1
set slot 3 of player to 64 steak
set slot 4 of player to water bucket
set slot 5 of player to lava bucket
set slot 6 of player to 0373:8258
set slot 7 of player to 0373:8270
set slot 8 of player to 8 golden apple
set slot 9 of player to 64 arrow
set slot 10 of player to 64 arrow
message "&aTu as recu le kit Gardien"
else:
send "&aTu n'es pas un policier"