I am always bothered that i constantly fear irrationaly that my actions or words will harm others. am i suffering from a psychological disorder?

Not sure if you have a diagnosable disorder, but you are experiencing discomfort which can be alleviated by therapy. Try to write down your concerns, there may be a common path which could lead to the core of he problem. This is complex and requires much more dialog, so please avail yourself of a psychotherapist in your area.

This kind of worry is Anxiety. Consult with a Clinical Psychologist with expertise in multiple types of psychotherapy to help you & a Psychiatrist for medication.