[METHOD?] Moderate telegramm group

Hi, i have created a telegram group. I try to set an autoban on the group. For exemple if a men get the access to the account i want that he stays in only 1 week. After one week, i want that he get's autoban.
I've already check some classic bot (groupe butler etc) but don't find how to do it..

A telegram expert (or just a telegram member) to help me?

Thanks a lot