Self help is and then what it means, like you need to try and apply your knowledge of the subject and then rely on others help. Does that help?
The appeal to fear from Jonathan Edwards is an address meant to engage the emotions of the listeners enough to shake them into being convinced of the repercussions of their sins. With the use of Biblical allusions, Edwards gives impact to his words and furthers his credibility.
-Hope this helps-
That he killed the guards