Features

Spawn a random Villager every X amount of seconds.

Force start the search
Give player rewards after they have found it!
Custom String file!
Commands

/vr help - shows Help list
/vr reload - Reloads the config
/vr forcestart - Force starts the villager spawning
/vr enable - Enables Auto spawning
/vr disable - Disables auto spawning

Permissions

villagerrescue.*
villagerrescue.help
villagerrescue.reload
villagerrescue.forcestart
villagerrescue.toggle
Installation:

Put the Jar file in the plugins folder
Reload the server
Edit the config the way you like
Edit the Strings the way you like.
do /vr reload
Plugin is installed!

Config Explanation:

x1, x2, z1, z2: These are the borders of where the villager can spawn

areax1, areax2, areaz1, areaz2: These are the borders for where you need to bring the Villager to get the reward.
Timer: Timer is in seconds and puts how long the period is between auto spawning
Enabledonstart: Here you can decide if the auto spawning should be enabled or not.
World: Put your world name here
Rewards: Put the items they can get as reward here using:
ItemName: 0
CommandRewards: Fill the list with commands using:
Command1: (Command here)
Command2:
etc.
(You don't need to add "/" in front of it)

https://bstats.org/plugin/bukkit/VillagerRescue