I am so sorry to hear of this experience on the flagging. Please do not give up. In your introduction post I left you a comment about doing another introduction post so I can resteemit for you. Check that out.
I see you are still commenting other other peoples posts. Hopefully you will get some upvotes for your comments and start rebuilding your reputation. It will take time but never give up.
I always try to assist newcomers, but when I first started I received some nasty comments from a few IDIOTS (I hope they read that) that seem to think they were the "Steemit Police". I was very upset when I read their comment. I do not let things slide so I told them what I thought of them.
I have seen people with a reputation of 30 and no steem power to speak of, say bad things to newcomers. I tried to be diplomatic with the one IDIOT. Hopefully he got my point.
I have never flagged anyone. Doing it to a newcomer is uncalled for...there is a better way and that is to offer advice and guidance. We are a community and as a community we need to help each other and respect each other.
Make sure you only have one account because people figure out when you have more than one active account. That can lead to flagging.
I encourage you to post this very article a second time, but let me know you did so and I will resteem it for you. You could make a few changes or even say that I suggested you post it a second time.
The goal by posting this one and your introduction post is so I can resteem it for you and hopefully some of my followers will resteem it again and again and you can pick up followers, and just as important start rebuilding your reputation.
Quality comments on other people's posts will aid in rebuilding your reputation.
I hope this helps. Let me know when you repost these two posts. I do not always see every post from my followers because of the number I have following me. You can always reach me through steemit.chat, which I try to check daily if not more often.