You may be asked to help someone negotiate a difficult situation or challenge.
You're doing fine. It's a simple statement, but you need to hear it and internalise it. Don't fret over the small things that you cannot control. Let fate handle those. Your job is to stay on your course, and continue to do what is right for you and your life. Yes, you are doing fine.
People with poor soft skills, such as an inability to get along well with others, can be very disruptive. Soft skills are not optional; they are necessary. If someone is being disruptive, it might be time to address their soft skill development.