I vote for three great Witness to be count on your radar:
@moisesmcardona .- a Steemian that bring us amazings tools to make the platform a better place for the user interaction, he support the Spanish-speakers community not only in making podcast to teach the hispanic steemians to make a good work on the platform, he also support contest that remunerate great musician s, we need him in Steemit and we need to have a better Witness representing the Spanish-speakers communities.
@castellano .- This is one of the greatest supporters of the Spanish-speakers, they make a really great work against the bad practices on the platform (plagiarism, spam, etc).
@guiltyparties .- This Witness make a good safety work on the platform, fighting against the scam and the phishing that sorround us, he support great communities and more.