Hi guys
You can use this tool to scrape the members of your channel and show the tutorial of this tool :
And you can download the tool of this tutorial on Github : https://github.com/erfan4lx/Telegram-Channel-Member-Scraper
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You can add the your scraped members on your group or channel for this :
To add the members on group : https://youtu.be/bp8DJUrzOGE
To add the members on channel : https://youtu.be/65WIov9yS7k
Contact with me via Telegram : https://t.me/erfan4lx