What makes a deviant in the Chrysalids novel?
Any small physical imperfection would be considered a deviation. So, an extra toe, a missing finger, a vestigial tail, etc. Anything that looks strange or not perfectly normal. Also, there are mental deviations, but those are harder to see... and what the story talks about primarily.
In Sophie's home there is unconditional acceptance and love. Sophie's parents would never sacrifice her to protect themselves. In David's home there is also love, but it is very clearly conditional on being non-deviant. And David knows that if he is shown to be deviant, he will not be loved. He will be sacrificed.
Some deviant behavior is illegal. Some is just annoying. 'Deviant' covers a lot of territory. For example, a California law classifies homosexual behavior as deviant, but homosexuality is not illegal. Breaking into drug stores is deviant, and is definitely illegal. 'Deviant behavior' is a sociology term that simply means that one's behavior is outside of social norms for that community. Thus being the only practicing Jew in an otherwise Christian community might be called 'deviant'…
'Actually there are no motifs with in the chrysalids but I will advise you to read the book than to take someone's wrongful judgement.' ..are you kidding? motifs are ideas or themes that are constantly present in a book. EVERY book will have motifs. some of The Chrysalids' motifs include fear, blaspheme, intolerance and telepathy.