twitter follower

I want twitter's follower ID and follower Name.
A User have fowllower have 30,000 or more.
Error output　『Rate limit exceeded (Twitter::Error::TooManyRequests)』.

Please coached me.

require "rubygems"
require "twitter"

target = "hogehoge"


client = Twitter::REST::Client.new do |config|
    config.consumer_key = "XXXXX"
    config.consumer_secret = "XXXX"
    config.access_token = "XX-XXXX"
    config.access_token_secret = "XXXXX"
end

followers_list = client.followers(target)
friends_list = client.friends(target)

followers_list.each{|follower|
    puts follower.screen_name
    puts follower.name
}