```ruby
class Ability
  include CanCan::Ability

  def initialize(user)
    user ||= User.new
    can :manage, Club, :user_id => user.id
  end
end
```

Update Ability for Club Update (vs Manage)
user
```ruby
class Ability
  include CanCan::Ability

  def initialize(user)
    user ||= User.new
    can :update, Club, :user_id => user.id
  end
end
```
assistant