Permission groups not working right?

Hello, im new to the site and i really need help with this. Im crating a public server and i get the default group so they can not build, but when i test it out the default can build! I don't know whats wring and how to fix it. please help.
Here are my plugins:
1. ChestShop
2. Citizens
3. EpicZones
4. Essentials
5. iConomy
6. iSafe
7. Jail
8. Jobs
9. LWC
10. NoLagg
11. PluginMetrics
12. PluginStats
13. StopLookingAtMyPlugins

Here is the YML..

Code:

 
groups:
Guest:
default: true
info:
prefix: 'Guest'
suffix: 'G'
build: false
inheritance:
permissions:
- essentials.spawn
- essentials.rules
- essentials.motd
- essentials.list
- essentials.helpop
- essentials.help
Member:
default: false
info:
prefix: 'Member'
suffix: 'M'
build: true
inheritance:
- Guest
permissions:
- essentials.build
- essentials.afk
- essentials.back
- essentials.back.ondeath
- essentials.balance
- essentials.balance.others
- essentials.balancetop
- essentials.chat.color
- essentials.chat.shout
- essentials.chat.question
- essentials.compass
- essentials.depth
- essentials.home
- essentials.ignore
- essentials.kit
- essentials.kit.tools
- essentials.mail
- essentials.mail.send
- essentials.me
- essentials.msg
- essentials.nick
- essentials.pay
- essentials.ping
- essentials.powertool
- essentials.protect
- essentials.sethome
- essentials.signs.use.*
- essentials.signs.create.disposal
- essentials.signs.create.mail
- essentials.signs.create.protection
- essentials.signs.create.trade
- essentials.signs.break.disposal
- essentials.signs.break.mail
- essentials.signs.break.protection
- essentials.signs.break.trade
- essentials.suicide
- essentials.time
- essentials.tpa
- essentials.tpaccept
- essentials.tpahere
- essentials.tpdeny
- essentials.warp
- essentials.warp.list
- essentials.worth
Op:
default: false
info:
prefix: 'Moderator'
suffix: 'Op'
build: true
inheritance:
- Member
permissions:
- essentials.build
- essentials.ban
- essentials.ban.notify
- essentials.banip
- essentials.broadcast
- essentials.clearinventory
- essentials.delwarp
- essentials.eco.loan
- essentials.ext
- essentials.getpos
- essentials.helpop.recieve
- essentials.home.others
- essentials.invsee
- essentials.jails
- essentials.jump
- essentials.kick
- essentials.kick.notify
- essentials.kill
- essentials.mute
- essentials.nick.others
- essentials.realname
- essentials.setwarp
- essentials.signs.create.*
- essentials.signs.break.*
- essentials.spawner
- essentials.thunder
- essentials.time
- essentials.time.set
- essentials.protect.alerts
- essentials.protect.admin
- essentials.protect.ownerinfo
- essentials.ptime
- essentials.ptime.others
- essentials.togglejail
- essentials.top
- essentials.tp
- essentials.tphere
- essentials.tppos
- essentials.tptoggle
- essentials.unban
- essentials.unbanip
- essentials.weather
- essentials.whois
- essentials.world
Admins:
default: false
info:
prefix: 'Admins'
suffix: 'A'
build: true
inheritance: Op
permissions:
- essentials.backup
- essentials.essentials
- essentials.setspawn
- essentials.reloadall
- essentials.*
users:
TCG:
groups:
- Admins
permissions:
-'*'
 
WLM:
groups:
- Admins
permissions:
-'*'
 
TheBandit0101:
groups:
- Member
permissions:
-''

 

What permissions plugin is this?

 

Its the regular permissions, i don't have a plugin.

 

HIGHLY recommended you getting a permissions plugin, such as PermissionsEx, and then It will be a lot easier to work with.

 

/\/\/\/\ this exactly, I use permissionsbukkit plugin myself, a permissions plugin is essential in running a good server