@huaren.news is a bitter individual who seeks to milk Steem rewards with paid delegation and self-votes. He's tried to do the same on Hive, but all his posts get downvoted to nothing. He's trying to intimidate people into leaving him alone.
I would not worry too much about Steem. Most good people are leaving and will have no SP to vote with soon. The auto-vote services have shut down too.
You may be lucky to be included in one of his 'diss' posts soon :)
I thought an organisation or individual acting like this would have been shot down a long time ago. I guess a while ago they would have. This to me alone says that the steem platform and token are on the downslope. Time to power down in my eyes. It probably took me longer to see that than most.
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
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