using_class.rb

class Human

def tasks
  @tasks.map do |task|
    Task.new(id: task.id, owner_name: task.owner_name)
  end
end

private

class Task
  attr_reader :id, :owner_name
  
  def initialize(id, owner_name)
    @id = id
    @owner_name = owner_name
  end
end

using_struct.rb

class Human

def tasks
  @tasks.map do |task|
    OpenStruct.new(id: task.id, owner_name: task.owner_name)
  end
end

end