One of the main themes could be identity. In many novels, characters struggle to find out who they are, and this might be the case in 'Afterlives: A Novel' too. Another theme could be relationships. How characters interact with each other, whether it's love, friendship or family relationships, often forms a significant part of a novel's fabric. And perhaps there is a theme of change, as characters face different situations and are forced to adapt and grow throughout the story.
Since I haven't read the novel, I can only guess. The main characters might include a person who has had a near - death experience and is now haunted by the idea of the afterlife. There could be a family member or a love interest who is affected by this character's new - found preoccupation. And there may be some kind of authority figure, like a religious leader or a scientist, who tries to explain or influence the main character's views on the afterlife.
Survival is a major theme. The characters are constantly fighting to stay alive in a harsh post - apocalyptic world. Another theme is morality. They often have to make difficult decisions that test their ethical boundaries.
One of the main themes is totalitarianism. The Party in the novel has extreme control over people's lives, thoughts, and even history. Another theme is the power of language. The manipulation of language, like Newspeak, is used to limit people's ability to think freely.
If it's Tommy Orange's 'There There', the main themes include Native American identity. It shows how Native Americans in urban settings struggle to define themselves in the context of modern society while still being connected to their heritage. Another theme is the power of community, as the characters' lives are intertwined and they support or conflict with each other.
One of the main themes is the battle between good and evil. The Shadowhunters are constantly fighting demons which represent pure evil. Another theme is love. There are various romantic relationships among the characters that add depth to the story. Also, identity is important. Characters often struggle with their Shadowhunter identity and how it fits into the normal world.
If it's 'God's Little Acre', one of the main themes is poverty. The characters struggle to make ends meet and are constantly in search of a better life.
Well, I think loneliness is a big theme. In 'the outsider novel', the character is isolated from others, and this loneliness affects his view of the world and his relationships. Also, the theme of existentialism might be present. He is sort of lost in a world that doesn't make much sense to him, and he has to find his own meaning in life.
In 'ukraine novel', the theme of cultural heritage is often prominent. Novels might showcase traditional Ukrainian values, folklores, and the importance of the land. Also, the theme of social change is quite prevalent. As the country has evolved over time, novels can capture the struggles and hopes of the people during these transitions. For example, how the younger generation is trying to adapt to new ways while still holding onto their roots. This is often explored in great detail in many 'ukraine novel'.
One of the main themes is probably the search for truth. The title itself implies that there is a search going on, and it's often about uncovering something that has been hidden.
One of the main themes could be spiritual exploration. The temple setting often implies a connection to the divine or a search for higher meaning.