try this one

groups:
  Peasant:
    default: true
    options:
      build: true
    permissions:
    - essentials.kit
    - essentials.balance
    - essentials.pay
    - essentials.afk
    - essentials.compass
    - essentials.help
    - essentials.list
    - essentials.mail
    - essentials.mail.send
    - essentials.me
    - essentials.motd
    - essentials.msg
    - essentials.msg
    - essentials.msg.format
    - essentials.rules
    - essentials.suicide
    - essentials.clearinventory
    - essentials.spawn
    - essentials.back
    - essentials.home
    - essentials.home.bed
    - essentials.sethome
    - essentials.sethome.bed
    - essentials.tpa
    - essentials.tpaccept
    - essentials.tpdeny
    - essentials.warp
    - essentials.list
    - -bukkit.command.version
    - -bukkit.command.plugins
  Lord:
    default: false
    options:
      build: true
    inheritance:
    - Peasant
users:
  9a0166f8-0539-3616-b4b4-052681ea97b1:
    group:
    - Lord
    options:
      name: Saif
  9340d7a8-efd7-3b37-8791-960a62be7460:
    group: []
    options:
      name: gold_skull_12
  354c08d4-f59a-301b-9a3c-bf28a0869a89:
    group:
    - Lord
    options:
      name: Br0nn