Looking to learn about targeting ads with a list of web-scrapped email addresses. What are my options?

Looking to learn about how to target individual people with relevant ads based upon email addresses. I have a list of email addresses of roughly 1000 people from a specific list of companies in the US. I curated the list through scraping public websites (ie they did not opt into anything). It looks like I could target them with Google Customer Match or Facebooks tool. However, not sure if it violates terms since they didnt opt into anything. I also see that I might be able to target to specific people using tools like LiveIntent, LiveRamp, or Datalogix. Looking to chat with someone to see how I could use these tools, and what the execution looks like...ie pay per email address or if I need to sign up with a…