In the book the metamorphosis What was life like for Gregor before his metamorphosis, at home and on the job? In what ways do you think Gregor was like a "bug" even before his metamorphosis?

"As Gregor Samsa awoke one morning from uneasy dreams he found himself transformed in his bed into a gigantic insect" …… Gregor Samsa feels that he has been treated as a lowly insect and comes to feel that he is one; the story makes the leap from "I feel like an insect" to "I am an insect." Whatever the causes for Gregor feeling this way, these causes have led to his isolation and alienation (the feeling of being a stranger and an alien, even in those places where one should feel at home)…

These are excerpts that are taken from a site that addresses much of your question. I’ll list it in the source link. Read through it because it has some pretty good information.