1- You must reveal in a way that doesn’t normalize sins and in a way that doesn’t directly expose what you did. For example, you can say “if a person committed x sin…what’s the best way to proceed?” So you can ask for advice like this.
2- Lying on a job resume is not permissible. However, you can give a creative answer that’s not technically lying, but that it could help with your resume. Lying is permissible if you are saving someone’s life or dignity, or to save yourself from danger.
3- One must not take interest loans, and if he must, there are some workarounds. You may see these two videos:
4- We understand from hadiths that people who have these struggles are still responsible for their actions and they can change their personality. This is their trial in life. It seems that sometimes today we absolve them from any responsibility by thinking that “oh they have a psychological or personality disorder…and they can’t do anything about it because it’s a condition beyond their control.” Yes, some severe mental illnesses are beyond a person’s control (like some types of being bipolar or severe schizophrenia). But let’s say one has a very angry or arrogant personality, or a very narcissistic personality. Islam commands them to work on theirselves and overcome these disorders. Otherwise they will be held accountable. Yes, Islam has shared solutions and how to overcome them. For instance, Islam has shared with us how to manage our anger or reign in our arrogance and how to be humble.