Lines 345-347 contain an example of tautology: the saying of the same thing twice in different
words, generally considered to be a fault of style

euphemism: a mild or indirect word or expression
substituted for one considered to be too harsh or blunt
when referring to something unpleasant or embarrassing
metaphor

oxymoron

personification

oxymoron: Is a group of contradictory words placed as a pair in a sentence.  

personification: This is the assignment of a human characteristic to a non-living thing.

Explanation:

An oxymoron in a sentence contains a set of contradictory words placed together in a sentence. For example in the sentence; Driving is a necessary evil, the pair of words necessary evil are contradictory because they seem to be the opposite of themselves.

Personification gives the attribute of humans to things that have no life in them. For example, in the sentence, The sun smiled at him, the sun is given the quality of a human which is, smile.

- self-esteem and a clear goal for writing

- financial security

- a room to be alone

the guest is my guess