The Question and Answer section for Beloved is a great resource to ask questions, find answers, and discuss the novel.
Sethe chose "Dearly Beloved" from the religious invocations used at the funeral. It is unknown when Beloved was actually named.
In my opinion, Denver is a very important character. Denver's emotional need for Beloved is an important part of the plot, but Denver is the character we become invested in.
I'm sorry, I do not know what chapter you're referring to. Please advise.