Okay so I summed it most of it up for you and some violation that can lead to these infractions by discord. 😅
Discord Terms of Service: 
The Terms of Service apply to all users on discord and prohibit some activities like harassment, spamming, and using copyrighted material without permission. Misusing bots or disrupting the users experience on discord can result in account bans. More here
Discord Developer Terms of Service: 
Developer Terms of Service apply to bot developers and owners.
- Adhering to API rate limits and avoiding abuse.
- Ensuring bots respect privacy, copyright laws, and all community standards.
- Prohibiting malicious activities like some of the following spamming or mass banning without legitimate moderation reason.
Violations of the development terms will lead to bot removal or account suspension/ban from discord and all services this will also prevent you from making a new account in general. More here