Check out the introducemyself tag. You likely will want to do one of those. There are more current tutorials made by people, but I don't have any... I did make some a couple of months ago that might help: (other than the tag is now introducemyself)

https://steemit.com/steemithelp/@dwinblood/steemit-user-manual-for-new-people-hope-this-helps-sept-3rd-2016

https://steemit.com/steemithelp/@dwinblood/steemit-user-manual-journeyman-s-guide-some-additional-tips-to-posting-and-using-steemit-beyond-the-basics

There can be some hostility here but it is WAY LESS than any other site I am aware of. The monetary incentive seems to help quite a bit with keeping people civil. Those topics you've normally avoided talking about due to expecting to get ATTACKED you might actually be able to pull off here.