Insecure
Part of speech: adjective
Definition: Not secure. Not comfortable or confident in oneself or in certain situations.
Example sentence: I have never been insecure, ever, about how I look, about what I want to do with myself. My mum told me to only ever do things for myself, not for others.
Precarious
Part of speech: adjective
Definition: dangerously insecure or unstable; perilousdepending on the intention of another
Example sentence: Some people are weak in their faith and testimonies but are not even aware of how precarious their situation is. Many of them likely would be offended at the suggestion.