By noticing how the character interacts with other characters and <span>by noticing details about what the character says, does, and thinks</span>
Victor's contemplation of suicide stems from his guilt and constant thoughts of his "thrice-accused hands".
Source: https://www.enotes.com/homework-help/why-does-victor-contemplate-suicide-73421
The underlined word is a noun. A noun describes a name, place or thing.
