Protect your villagers!
Shift RightClick to own villager ,
when u own villager no one can trade except you and player you add to trust
/villagerprotect toggle - to toggle select mode
when in select mode after you choose villager you can do
/trust <player>
and the player can trade with the villager
/untrust <player>
/freeze
when in toggle mode the selected villager freezes

Villagers immune to fire , lava and drowing damage.

/disown
to disown villager

/villagerprotect help
show help menu
/villagerprotect reload
reload config
/trustlist
shows trustlist

perm:
villagerprotect.disown
villagerprotect.freeze
villagerprotect.trust
villagerprotect.untrust
villagerprotect.toggle
villagerprotect.main - that for /villagerprotect toggle
villagerprotect.reload:
villagerprotect.help:
villagerprotect.trustlist:

* this is version 1.0 of the plugin !!