If you can like tell me what I did wrong? I need to learn , if you can tell me how the Parent node thingy permission node things work?

Owner but I want my groups correct I want to publish my server

I just use skype for private things so no.. i'm sorry

Are you in the group admin or owner?

# Group inheritance
# any inherited groups prefixed with a g: are global groups
# These groups are defined in the globalgroups.yml
# and can be inherited in any worlds groups/users.yml.
#
# Groups without the g: prefix are groups local to this world
# and defined in the this groups.yml file.

groups:
Default:
default: true
permissions:
- -bukkit.command.kill
inheritance:
- g:essentials_default
- g:bukkit_default
info:
prefix: '&e'
build: false
suffix: ''
Builder:
default: false
permissions: []
inheritance:
- default
- g:essentials_builder
- g:towny_moderator
info:
prefix: '&2'
build: true
suffix: ''
Moderator:
default: false
permissions: []
inheritance:
- builder
- g:essentials_moderator
- g:bukkit_moderator
- g:towny_moderator
info:
prefix: '&5'
build: true
suffix: ''
Admin:
default: false
permissions:
- essentials.spawn
- myhome.sethome
- myhome.home
inheritance:
- moderator
- g:essentials_admin
- g:bukkit_admin
- g:towny_admin
info:
prefix: '&c'
build: true
suffix: ''
Owner:
default: false
permissions:
- '*'
inheritance:
- admin
info:
prefix: '&4'
build: true
suffix: ''

What's your problem exactly?